spiral spring

English

Noun

spiral spring (plural spiral springs)

  1. A spring consisting of a wire, coiled usually in a flat spiral or in a helix.
    Synonym: coil spring
    • 1958 July, “German Railbuses for British Railways”, in Railway Magazine, page 501:
      The seats have spiral springs, covered by rubberised hair and trimmed in artificial leather of green colour.

References

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