nates /ˈneɪtiːz/ noun[plural only]3 •The buttocks.Enderby watched her warily as she lay prone, having kicked the clothes off the bed, her nates silvered by the Roman moonlight to the likeness of a meringue. — 1963 •The two anterior of the four lobes on the dorsal side of the midbrain of most mammals; the anterior optic lobes. •The umbones of a bivalve shell.
