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herringbone gear

American

noun

a helical gear having teeth that lie on the pitch cylinder in a V -shaped form so that one half of each tooth is on a right-handed helix and the other half on a left-handed helix.

herringbone gear British

noun

Also called: double-helical gear. a gearwheel having two sets of helical teeth, one set inclined at an acute angle to the other so that V-shaped teeth are formed

"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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023