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[proh-trood, pruh-] /proʊˈtrud, prə-/
verb (used without object), protruded, protruding.
to project.
verb (used with object), protruded, protruding.
to thrust forward; cause to project.
Origin of protrude
1610-20; < Latin prōtrūdere to thrust forward, equivalent to prō- pro-1 + trūdere to thrust
Related forms
protrudent, adjective
[proh-troo-suh-buh l, -zuh-, pruh-] /proʊˈtru sə bəl, -zə-, prə-/ (Show IPA),
protrudable, adjective
nonprotruding, adjective
unprotruded, adjective
unprotrudent, adjective
unprotruding, adjective
unprotrusible, adjective
1. bulge, swell, belly. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for protrude
Historical Examples
  • She had no flesh left; her bones seemed to protrude through the skin.

    L'Assommoir Emile Zola
  • The ribs had been cut across, and some portion of the heart or lung seemed to protrude.

    Jack Hinton Charles James Lever
  • He could protrude a feline set of claws from his velvet glove.

  • Anak's tongue began to protrude from his mouth and his eyes swelled.

    B. C. 30,000 Sterner St. Paul Meek
  • Hernia—Rupture which permits a part of the bowels to protrude.

  • His nose is not flat, and his heels do not protrude unnecessarily.

    Black Ivory R.M. Ballantyne
  • They are allowed to protrude from its mouth until they decay and drop off.

    Martin Rattler R.M. Ballantyne
  • His straggling locks, usually long, protrude from an aperture in his hat.

    Ben, the Luggage Boy; Horatio Alger
  • Inspector Aylesbury's eyes seemed to protrude extraordinarily.

    Bat Wing Sax Rohmer
  • Yet they need not protrude beyond the surface; but why hide them?

    Principles of Decorative Design

    Christopher Dresser
British Dictionary definitions for protrude


to thrust or cause to thrust forwards or outwards
to project or cause to project from or as if from a surface
Derived Forms
protrudable, adjective
protrudent, adjective
Word Origin
C17: from Latin, from pro-² + trudere to thrust
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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Word Origin and History for protrude

1610s, "to thrust forward or onward, to drive along;" 1640s, "to cause to stick out," from Latin protrudere "thrust forward; push out," from pro- "forward" (see pro-) + trudere "to thrust" (see extrusion). Intransitive meaning "jut out, bulge forth" recorded from 1620s. Related: Protruded; protruding.

Online Etymology Dictionary, © 2010 Douglas Harper
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protrude in Medicine

protrude pro·trude (prō-trōōd')
v. pro·trud·ed, pro·trud·ing, pro·trudes

  1. To push or thrust outward.

  2. To jut out; project.

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