Try Our Apps
Dictionary.com

follow Dictionary.com

Avoid these words. Seriously.

worm gear

or wormgear

noun
1.
a mechanism consisting of a worm engaging with and driving a worm wheel, the two axes usually being at right angles, used where a relatively low speed and a relatively large amplification of power are desired.
2.
Also called worm wheel. a gear wheel driven by a worm.
Origin of worm gear
1875-1880
First recorded in 1875-80
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
Examples from the Web for worm gear
Historical Examples
British Dictionary definitions for worm gear

worm gear

noun
1.
a device consisting of a threaded shaft (worm) that mates with a gearwheel (worm wheel) so that rotary motion can be transferred between two shafts at right angles to each other
2.
Also called worm wheel. a gearwheel driven by a threaded shaft or worm
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 of the Day

Nearby words for worm gear

Word Value for worm

9
10
Scrabble Words With Friends