Main Entry: scaup

Pronunciation: \ˈskȯp\

Function: noun

Inflected Form(s): plural scaup or scaups

Etymology: short for scaup duck; scaup probably alteration of scalp bed of shellfish

Date: 1797

: either of two diving ducks (Aythya affinis or A. marila) with the male having a glossy purplish or greenish head and a black breast and tail