spiral spring

spi′ral spring′

n.

a form of spring consisting of a wire coiled in a helix.

[1680–90]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

Thesaurus

Noun

1.

spiral spring - a spring that is wound like a spiral hairspring - a fine spiral spring that regulates the movement of the balance wheel in a timepiece spring - a metal elastic device that returns to its shape or position when pushed or pulled or pressed; "the spring was broken"

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