A kind of duck, the bufflehead.

(obsolete, West Country, Herefordshire) The little grebe.

A kind of high-quality sailcloth.

plural of decoy-duck

A duck used to lure wild ducks into a decoy. / (by extension, figuratively) One employed to lure others into danger.

plural of duck call

(hunting) A hunter's technique of luring waterfowl by imitating its cry. / (hunting) A tool used to produce a whistling sound for this purpose.

(bodybuilding) A type of loaded walk in which the sportsman squats somewhat and steps forward or backward with his knees alternatingly while optionally carrying a dumbbell or kettlebell on each side or a kettlebell or cupped dumbbell between the legs.

To move through use of the duck walk.

A structure used to catch wildfowl, consisting of a central pond and radiating water-filled arms. / A model duck used to attract other ducks.