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incest definition

in·cest (insest′)

noun

  1. sexual intercourse between persons too closely related to marry legally
  2. sexual molestation of a child or adolescent by a relative, esp. by a parent or other adult relative

Etymology: ME < L incestum, moral sin, incest, neut. of incestus, unchaste < in-, not + castus, chaste: see caste

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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