Meaning of jack-frame in English:

jack-frame

Pronunciation /ˈdʒak freɪm/

noun

  • 1A frame supporting a jack, winch, etc.

    Somewhat rare.

  • 2 historical In the preparation of yarn: a roving frame in which the sliver is twisted and wound on to a bobbin that is suspended horizontally in a revolving can or cylinder.

Origin

Late 17th century; earliest use found in Joseph Moxon (1627–1691), printer and globe maker. From Jack + frame.