invaginate

[ verb in-vaj-uh-neyt; adjective in-vaj-uh-nit, -neyt ]
/ verb ɪnˈvædʒ əˌneɪt; adjective ɪnˈvædʒ ə nɪt, -ˌneɪt /

verb (used with object), in·vag·i·nat·ed, in·vag·i·nat·ing.

to insert or receive, as into a sheath; sheathe.
to fold or draw (a tubular organ) back within itself; intussuscept.

verb (used without object), in·vag·i·nat·ed, in·vag·i·nat·ing.

to become invaginated; undergo invagination.
to form a pocket by turning in.

adjective

folded or turned back upon itself.

Origin of invaginate

1650–60; < Medieval Latin invāgīnātus, past participle of invāgīnāre to sheathe. See in-2, vaginate

Related forms

un·in·vag·i·nat·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for invaginate

invaginate


verb (ɪnˈvædʒɪˌneɪt)

pathol to push one section of (a tubular organ or part) back into itself so that it becomes ensheathed; intussuscept
(intr) (of the outer layer of an organism or part) to undergo invagination

adjective (ɪnˈvædʒɪnɪt, -ˌneɪt)

(of an organ or part) folded back upon itself

Derived Forms

invaginable, adjective

Word Origin for invaginate

C19: from Medieval Latin invāgīnāre, from Latin in- ² + vāgīna sheath
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

Medicine definitions for invaginate

invaginate

[ ĭn-văjə-nāt′ ]

v.

To infold or become infolded so as to form a hollow space within a previously solid structure, as in the formation of a gastrula from a blastula.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.