from
The Collaborative International Dictionary of English v.0.48
Duck \Duck\, v. t. [imp. & p. p. {Ducked}; p. pr. & vb. n.
{Ducking}.] [OE. duken, douken, to dive; akin to D. duiken,
OHG. t?hhan, MHG. tucken, t["u]cken, t?chen, G. tuchen. Cf.
5th {Duck}.]
1. To thrust or plunge under water or other liquid and
suddenly withdraw.
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Adams, after ducking the squire twice or thrice,
leaped out of the tub. --Fielding.
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2. To plunge the head of under water, immediately withdrawing
it; as, duck the boy.
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3. To bow; to bob down; to move quickly with a downward
motion. " Will duck his head aside." --Swift.
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