#1 duck v. to move (the head or body) quickly downwards or away; "Before he could duck, another stone struck him". wn
#2 duck n. small wild or domesticated web-footed broad-billed swimming bird usually having a depressed body and short legs. wn
#3 duck v. submerge or plunge suddenly. wn
#4 duck n. [duck's egg] (cricket) a score of nothing by a batsman. wn
#5 duck n. flesh of a duck (domestic or wild). wn
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