What does "jackscrew" mean?
Jackscrew: A jack in which a screw is used for lifting, or exerting pressure. See Illust. of 2d Jack, n., 5.
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17 · Modified: 2026-07-17