coil spring

noun

1. any spring of wire coiled helically, having a cylindrical or conical outline.

coil spring

noun

1. a helical spring formed from wire

Word History and Origins

Origin of coil spring¹

First recorded in 1875–80

Example Sentences

A coil-spring makes the index fly back to the starting-point, when the power is relaxed at each indication of a character or word.

From Project Gutenberg