ball 

noun
 A solid or hollow sphere.
 An object, generally spherical, used for playing games.
 A quantity of string, thread, etc., wound into a spherical shape.
of wool

(baseball) A pitch that falls outside of the strike zone.

(context, pinball) An opportunity to launch the ball into play.

(context, ballistics) A solid, sperical nonexplosive missile for a cannon, etc.

(mathematics) The set of points in a metric space lying within a given distance (the radius) of a given point; specifically, the homologue of the disk in a Euclidean space of any number of dimensions.

(context, mathematics, more generally) The set of points in a topological space lying within some open set containing a given point; the analogue of the disk in a Euclidean space.

(context, mildly, vulgar, slang, usually in plural) A testicle.

(context, mildly, vulgar, slang, in plural) nonsense, Nonsense.
That"s a load of balls, and you know it! " Synonyms " See WikiSaurus:Nonsense

(context, slang, in plural) courage, Courage.
I doubt he"s got the balls to tell him off.

(cricket) A single delivery by the bowler, six of which make up an over.

(anatomy) The ball of a foot
verb

(context, transitive, vulgar) To have sexual intercourse with.
 
base 

noun
 Something from which other things extend; a foundation.
 The starting point of a logical deduction or thought.
 A permanent structure for housing military personnel and material.
 The place where decisions for an organization are made; headquarters.

(chemistry) Any of a class of generally watersoluble compounds, having bitter taste, that turn red litmus blue, and react with acids to form salts.
 A safe zone in the children's games of tag and hideandgoseek

(architecture) The lowermost part of a column, between the shaft and the pedestal or pavement.

(baseball) One of the three places that a runner can stand in safety.

(biology, biochemistry) A nucleotide's nucleobase in the context of a DNA or RNA biopolymer.

(botany) The end of a leaf,petal or similar organ where it is attached to its support.

(electronics) The name of the controlling terminal of a transistor.

(geometry) The lowest side of a in a triangle or other polygon, or the lowest face of a cone, pyramid or other polyhedron laid flat.

(mathematics) A number raised to the power of an exponent.
The logarithm to 2 of 8 is 3.

(topology) The set of sets from which a topology is generated.
adjective (baser, basest)
base (more base, most base)
 low
 inferior
 immoral
 common

basis 

noun (bases)
 A starting point, base or foundation for an argument or hypothesis.
 An underlying condition or circumstance.

(linear algebra) In a vector space, a linearly independent set of vectors spanning the whole vector space.
 An accounting term that describes what was paid for an investment including commissions and other expenses.

bijection 

noun

(mathematics) A function which is both a surjection and an injection. Also called a onetoone correspondence.

binary 

noun (pluralbinaries)

(context, mathematics, computing) (uncountable) The base2 number system, which uses only the digits 0 and 1.

(computing) An executable computer file.

(astronomy) A star system consisting of only two stars.
adjective (not comparable)
 Being in a state of one of two mutually exclusive conditions, such as on or off, true or false, 6 or not 6, or the presence or absence of an electrical pulse.
Binary states are often abstracted as 1 and 0 in computer science.
 Concerning logic whose subject matter concerns binary states.

(context, arithmetic, computing) Concerning numbers and mathematical calculations using the binary number system.
 Having two equally important parts.
binary star
binary poison
 Related to something with two parts.
A distribution is a statistical distribution with only two categories.

(computing): Refers to data consisting of arbitrary values, as opposed to that which can be interpreted as plain or ASCII text.
He downloaded the distribution for Linux, then burned it to DVD.

binary operation 

noun

(algebra) An operation taking two operands.

binomial 

noun

(algebra) A polynomial with two terms.

(algebra) A quantity expressed as the sum or difference of two terms.

(context, biology, taxonomy) A scientific name at the rank of species, with two terms: a generic name and a specific name.

Usage note: Some people deprecate use of binomial and advocate use only of binominal in this context.
 See species name for typesetting usage and example.
adjective
 Consisting of two names, terms, or parts.

bisect 

noun

(geometry) A bisector, which divides into two equal parts.

(philately) An envelope, card, or fragment thereof showing an affixed cut half of a regular issued stamp, over which one or more postal markings have been applied. Typically used in wartime when normal lower rate stamps may not be available.
verb
 To cut or divide into two parts.

(geometry) To divide an angle, line segment, or other figure into two equal parts.

bisector 

noun
(geometry): A line or curve that bisects or divides a line segment, angle, or other figure into two equal parts.
 South Street is the of Broken Dreams Boulevard.

body 

noun (bodies)
 The physical structure of a human or animal seen as one single organism.
I saw them walking from a distance, their bodies strangely angular in the dawn light.
 The fleshly or corporeal nature of a human, as opposed to the spirit or soul.
The is driven by desires, but the soul is at peace.
 A corpse.
Her was found at four o'clock, just two hours after the murder.
 The torso, the main structure of a human or animal frame excluding the extremity, extremities (limbs, head, tail).
The boxer took a blow to the .
 The largest or most important part of anything, as distinct from its appendages or accessory, accessories.
The bumpers and front tyres were ruined, but the of the car was in remarkable shape.

(archaic) The section of a dress extending from the neck to the waist, excluding the arms.
Penny was in the scullery, pressing the of her new dress.
 An organisation, company or other authoritative group.
The local train operating company is the managing for this section of track.
 A group of men or people having a common purpose or opinion; a mass.
I was escorted from the building by a of armed security guards.
 A unified collection of details, knowledge or information.
We have now amassed a of evidence which points to one conclusion.
 Any physical object or material thing.
All bodies are held together by internal forces.
 Substance; physical presence.
We have given to what was just a vague idea.
 Comparative viscosity, solidity or substance (in wine, colours etc.).
The rioja, sadly, lacked .

(programming) The code of a subroutine, contrasted to its signature and parameters.^{W:Subroutine, W}

Boolean algebra 

noun
(context, algebra, logic, computing) An algebra in which all elements can take only one of two values (typically 0 and 1, or "true" and "false") and are subject to operations based on AND, OR and NOT

bound 

noun

(often used in plural) The border of a territory, which one must cross in order to enter or leave the territory.
I reached the northern bound of my property, took a deep breath, and walked on.
Somewhere within these bounds you may find a buried treasure.

(mathematics) a value which is known to be greater or smaller than a given set of values
verb

(past of, bind)
 I the splint to my leg.
 I had the splint with duct tape.
adjective

(obsolete) ready, Ready, prepared.
 Ready to start or go (to); moving in the direction (of).
Is that message bound for me?
Which way are you bound?
The leaking fuel tank was bound to explode sooner or later.
 Constrained by something, or constrained to something
He was bound to his chair.
Because of his oath, he was bound to follow the king's command.

boundary 

noun (boundaries)
 The dividing line or location between two areas.

(Cricket) A score of 4 or 6 runs, occasioned by the ball being hit across the boundary (with or without bounce, bouncing).

by 

adjective

Out of the way, subsidiary; opposed to main.
adverb
 Along a path which runs by the speaker.
 I watched as it passed by.

