a waterbird with a broad blunt bill, short legs, webbed feet, and a waddling gait

a pure white thin-shelled bivalve mollusc found off the Atlantic coasts of America

an amphibious transport vehicle

visitors can board an amphibious duck to explore the city

lower the head or the body quickly to avoid a blow or missile or so as not to be seen

spectators ducked for cover

he ducked his head and entered

push or plunge (someone) under water, either playfully or as a punishment

Rufus grabbed him from behind to duck him under the surface

refrain from playing a winning card on a particular trick for tactical reasons

declarer ducked the opening spade lead

a quick lowering of the head

dear; darling (used as an informal or affectionate form of address, especially among cockneys)

it's time you changed, my duck

where've yer been, ducks!

a strong linen or cotton fabric, used chiefly for work clothes and sails

cotton duck

a batter's score of nought

he was out for a duck

both openers went for ducks