noun

1. The fifteenth letter of the Appendix:Roman script, English alphabet, preceded by N and followed by P.
2. A blood type that has no antigens and may only receive type O blood and nothing else, but may donate to all.

abbreviation

1. (cricket) The number of overs bowled.

noun

1. Any smell, whether fragrant or offensive; scent; perfume.
2. A strong, pervasive quality.
3. esteem, Esteem; repute.

<!-- Do these belong here, or at the latin progenitor, below?

noun

1. A sports event in which anybody can contest; as, the Australian Open.
2. (electronics) a wire that is broken midway.

The electrician found the in the circuit after a few minutes of testing. sports event

• Finnish: avoin, avoimet

broken wire

• Finnish: katkos

verb

1. (transitive) To make something accessible or removing an obstacle to something being accessible

Turn the doorknob to the door.

1. (transitive) To bring up (a topic).

I don't want to that subject.

1. (transitive) To make accessible to customers or clients.

I will the shop an hour early tomorrow.

1. (transitive) To start (a campaign).

Vermont will elk hunting season next week.

1. (intransitive) To become open

1. Adjective, open.

The door opened all by itself.

1. (intransitive) To begin conducting business.

The shop opens at 9:00.

1. (context, intransitive, cricket) To begin a side's innings as one of the first two batsmen.
2. (context, intransitive, poker) To bet before any other player has in a particular betting round in a game of poker

After the first two players fold, Julie opens for $5.

1. (context, transitive or intransitive, poker) To reveal one's hand.

Jeff opens his hand revealing a straight flush.

adjective (rfc-level, Adjective at L4+ not in L3 Ety section)

1. (not comparable) Which is not closed; accessible; as, an open gate.

Turn left after the second door.

1. • 1908, Kenneth Grahame, The Wind in the Willows, Chapter 2
     
   • : The road, the dusty highway...
     1. (not comparable) Actively conducting or prepared to conduct business.

     Banks are not on bank holidays.

     1. (comparable) receptive, Receptive.

     I am to new ideas.

     1. (not comparable) public, Public; as, an open letter, an open declaration.

     He published an letter to the govenor on a full page of the New York Times.

     1. (not comparable) candid, Candid, ingenuous, not subtle in character:

     The man is an book.

adjective

1. Of or pertaining to the sensory properties of a particular food or chemical, the taste, colour, odour and feel.

The organoleptic assessment of the wine showed that it was spoilt

noun

1. The climax or peak of sexual pleasure which occurs during sexual activity and which in males may include ejaculation and in females vaginal contractions.

verb

1. To have an orgasm.

noun (osteoclases)

1. (medicine) The surgical fracture of a bone in order to correct a deformity

adjective

1. (surgery) Of, or relating to osteoplasty.

noun

1. the amount of extra oxygen required to oxidize lactic acid in the muscles built up during vigorous exercise