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volute spring

American  

noun

  1. a coil spring, conical in shape, extending in the direction of the axis of the coil.

Etymology

Origin of volute spring

First recorded in 1860–65

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.