plural of y-axis

(genetics) Alternative spelling of Y chromosome

(genetics) A mammalian sex chromosome, occurring only in male cells. Cells of females have a pair of X chromosomes while cells of males have an X and a Y.

(plural only, Britain, informal) Men's briefs that have a fly as part of an inverted Y formed by the seams.

(algebraic geometry) The direction aligned with the y-axis of a coordinate system.

(informal) Showing a pointedly arrogant attitude.

Said of briefs with a flap at the front framed by Y-shaped seams.

plural of Y-jack

A splitter; a device used to split a single jack into two.

(slang) To perform cunnilingus.