- something arranged diagonally or obliquely
- a line or cut across a fabric that is not at right angles to a side of the fabric
- a punctuation mark used to separate related items of information
- (geometry) a diagonal line or plane
Etymology: From (term, diagonalis, diagÅnÄlis), from Ancient Greek (term, , , from angle to angle, sc=polytonic, tr=diagonios), from (term, , , across, sc=polytonic, tr=dia) + (term, , , angle, sc=polytonic, tr=gonia).
- (geometry) joining, Joining two nonadjacent vertices (of a polygon or polyhedron).
- Having a slanted or oblique direction, lines or markings.
- Pertaining to the front left and back right (or the front right and back left) legs of a quadruped.
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Full Definition of diagonal