having grown into the flesh: an ingrown toenail.
grown within or inward.

Origin of ingrown

First recorded in 1660–70; in-1 + grown Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for ingrown



(esp of a toenail) grown abnormally into the flesh; covered by adjacent tissues
grown within; native; innate
excessively concerned with oneself, one's own particular group, etc
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 ingrown

1660s, "native, innate," from in + grown. Of nails, "that has grown into the flesh," 1878.

Online Etymology Dictionary, © 2010 Douglas Harper

ingrown in Medicine




Grown abnormally into the flesh.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.