spiral spring

noun

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

Word History and Origins

Origin of spiral spring¹

First recorded in 1680–90

Example Sentences

Here she uses the spiral spring toy known as the Slinky.

From New York Times

The sixteen pieces of Defense Distributed's printed handgun, including spiral springs for its hammer mechanism and a nail used as its firing pin.

From Forbes

The same thing will happen if a spiral spring be substituted for the coach spring.

From Project Gutenberg

The spiral spring is described as received in two cups,—one above and one below.

From Project Gutenberg

At the other end of f is a washer h, against which abuts the spiral spring shown, the other end of this spring abutting against a shoulder provided in a.

From Project Gutenberg