Duck, v. t. [imp. & p. p. Ducked p. pr. & vb. n. Ducking.]
1. To thrust or plunge under water or other liquid and suddenly withdraw.
Adams, after ducking the squire twice or thrice, leaped out of the tub. --Fielding.
2. To plunge the head of under water, immediately withdrawing it; as, duck the boy.
3. To bow; to bob down; to move quickly with a downward motion. “ Will duck his head aside.”