Found 2 items, similar to jackscrew.
English → English (WordNet) Definition: jackscrew jackscrew n : screw-operated jack [syn: screw jack]
English → English (gcide) Definition: Jackscrew Jackscrew \Jack"screw`\, n. A jack in which a screw is used for lifting, or exerting pressure. See Illust. of 2d Jack, n., 5. [1913 Webster]