follow Dictionary.com

11 Trending Words of 2014

protractor

[proh-trak-ter, pruh-] /proʊˈtræk tər, prə-/
noun
1.
a person or thing that protracts.
2.
(in surveying, mathematics, etc.) an instrument having a graduated arc for plotting or measuring angles.
3.
Anatomy. a muscle that causes a part to protrude.
Origin
1605-1615
1605-15; < Medieval Latin; see protract, -tor
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for pro-tractor

protractor

/prəˈtræktə/
noun
1.
an instrument for measuring or drawing angles on paper, usually a flat semicircular transparent plastic sheet graduated in degrees
2.
a person or thing that protracts
3.
a surgical instrument for removing a bullet from the body
4.
(anatomy) a former term for extensor
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
Cite This Source
Word Origin and History for pro-tractor

protractor

n.

1610s, "one who lengthens (an action)," from Medieval Latin protractor, agent noun from Latin protrahere "to draw forward" (see protraction); sense of "instrument for drawing angles" first recorded 1650s.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
pro-tractor in Medicine

protractor pro·trac·tor (prō-trāk'tər, prə-)
n.
A muscle that extends a limb or other part.

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

Word of the Day

Difficulty index for protractor

Some English speakers likely know this word

Word Value for pro

5
6
Scrabble Words With Friends

Quotes with pro-tractor