noun

1. pl. ducks or duck any of a large number of relatively small waterfowl with a flat bill, short neck and legs, and webbed feet
2. a female duck
3. the flesh of a duck as food
4. Chiefly Brit., Informal a darling; dear
5. ☆ Slang a person, esp. one qualified as being “odd,” “harmless,” “funny,” etc.

Etymology: ME doke < OE duce, lit., diver, ducker < base of *ducan, to plunge, dive (see duck); replaces OE ened (akin to Ger ente), common Gmc word for the bird