A.“κατάπυγον” Ar. V.687: (πυγή):—given to unnatural lust: generally, lecherous, lewd, Id.Ach.79,al., Luc.Tim.22, Alciphr.3.45, etc.; “ὦ κατάπυγον” Ar.Th. 200.--The oblique cases are sts. wrongly written -πύγωνος, cf. Hdn. Gr.2.725: irreg. Comp. -πυγωνέστερος (metri gr.) Ar.Lys.776.
II. in Att., the middle finger (used in an obscene gesture), Poll.2.184.