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cleft lip

a congenitally deformed lip, usually the upper one, in which there is a vertical fissure that extends into one or both nostrils.
the deformity itself.
See also cleft lip.
Usage note
See harelip. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for cleft lip
Historical Examples
  • A cleft lip, so called from its supposed resemblance to the upper lip of a hare.

    Folk-lore of Shakespeare Thomas Firminger Thiselton-Dyer
British Dictionary definitions for cleft lip

cleft lip

a congenital split in the upper lip, often associated with a cleft palate
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
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cleft lip in Medicine

cleft lip n.
A congenital facial deformity of the lip, usually the upper lip, due to a mesodermal deficiency or to a failure of merging in one or more of the embryologic processes that form the lip; it is frequently associated with cleft tooth socket and cleft palate. Also called cheiloschisis, harelip.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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cleft lip in Science
cleft lip
A congenital deformity characterized by a vertical cleft or pair of clefts in the upper lip, with or without involvement of the palate.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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cleft lip in Culture

cleft lip definition

A congenital defect in which the upper lip is not properly fused together, so that a narrow crack or fissure splits the lip. It can be repaired through plastic surgery.

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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