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foreskin

[fawr-skin, fohr-]
noun
  1. the prepuce of the penis.

Origin of foreskin

1525–35; fore- + skin; probably on the model of German Vorhaut (Luther); cf. prepuce
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for foreskin

foreskin

noun
  1. anatomy the nontechnical name for prepuce (def. 1) Related adjective: preputial
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for foreskin
n.

1530s, from fore- + skin (n.). A loan-translation of Latin prepuce.

Online Etymology Dictionary, © 2010 Douglas Harper
foreskin in Medicine

foreskin

[fôr′skĭn′]
n.
  1. The loose fold of skin that covers the glans of the penis.prepuce
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.