definition of
duck

[1] #1 duck v. to move (the head or body) quickly downwards or away; "Before he could duck, another stone struck him". wn

[2] #2 duck n. small wild or domesticated web-footed broad-billed swimming bird usually having a depressed body and short legs. wn

[3] #3 duck v. submerge or plunge suddenly. wn

[4] #4 duck n. [duck's egg] (cricket) a score of nothing by a batsman. wn

[5] #5 duck n. flesh of a duck (domestic or wild). wn