trig
1 Americannoun
verb (used with object)
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to support or prop, as with a wedge.
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to act as a check on (the moving of wheels, vehicles, etc.).
noun
abbreviation
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trigonometric.
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trigonometrical.
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trigonometry.
noun
verb
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to block or stop
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to prop or support
adjective
verb
abbreviation
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trigonometrical
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trigonometry
Other Word Forms
Derived Forms
Etymology
Origin of trig1
First recorded in 1895–1900; by shortening
Origin of trig2
First recorded in 1150–1200 for earlier sense; 1505–15 trig 2 for def. 1; Middle English trig(g) “true, trusty,” from Old Norse tryggr “loyal, safe”; cognate with Gothic triggws “loyal, true, faithful”; see true
Origin of trig3
First recorded in 1585–95; from Old Norse tryggja “to make fast, secure”; see also trig 2 ( def. ), true
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Richardson experienced another hiker trying to physically stop him from reaching the trig point.
From BBC • May 28, 2026
The kids rehearsed months, long into the night, then gave performances to sold-out crowds and scrambled to finish trig and AP history homework too.
From Washington Post • Apr. 17, 2023
Imagine if your old trig worksheets stepped in to help you out when you were stumped on a question.
From The Verge • Mar. 16, 2022
This curve provides the impetus to delve deeper into exactly how the coefficients in combinations of trig functions affect the appearance of the resulting curves.
From Scientific American • Sep. 14, 2015
I realize that I took trig because Mom said, “Well, of course you’re taking trig. You’re going to college, right?”
From "Ask the Passengers" by A.S. King
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.