• synonyms


  1. resembling a worm in shape; long and slender.
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Origin of vermiform

From the Medieval Latin word vermiformis, dating back to 1720–30. See vermi-, -form
Related formssub·ver·mi·form, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for vermiform

Historical Examples

  • Below his heart he has only a stomach and a vermiform appendix.

    A Book of Burlesques

    H. L. Mencken

  • Capitalism, Jonathan, is the vermiform appendix of the social organism.

  • The vermiform and retractile tongue is also a most singular organ.

    Reptiles and Birds

    Louis Figuier

  • It has been fully proved since to be as useless an appendage as the vermiform.

  • Form changeable, from short, sac-like to elongate and vermiform.

British Dictionary definitions for vermiform


  1. resembling a worm
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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 vermiform


"worm-shaped," 1730, from Modern Latin vermiformis, from Latin vermis "worm" (see worm (n.)) + forma "form" (see form).

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Online Etymology Dictionary, © 2010 Douglas Harper

vermiform in Medicine


  1. Resembling or having the long, thin, cylindrical shape of a worm.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.