(1):

(v. t.) Any bird of the subfamily Anatinae, family Anatidae.

(2):

(n.) A pet; a darling.

(3):

(n.) A linen (or sometimes cotton) fabric, finer and lighter than canvas, - used for the lighter sails of vessels, the sacking of beds, and sometimes for men's clothing.

(4):

(n.) The light clothes worn by sailors in hot climates.

(5):

(v. i.) To drop the head or person suddenly; to bow.

(6):

(v. t.) To thrust or plunge under water or other liquid and suddenly withdraw.

(7):

(v. t.) To plunge the head of under water, immediately withdrawing it; as, duck the boy.

(8):

(v. t.) To bow; to bob down; to move quickly with a downward motion.

(9):

(v. i.) To go under the surface of water and immediately reappear; to dive; to plunge the head in water or other liquid; to dip.

(10):

(v. t.) A sudden inclination of the bead or dropping of the person, resembling the motion of a duck in water.