D defs.my
Entry 1 sense Webster, 1913

Let-off

/(lĕt"ŏf`; 115)/ · Let·-off · IPA
01 n. A device for letting off, releasing, or giving forth, as the warp from the cylinder of a loom.
  1. 1.
    A device for letting off, releasing, or giving forth, as the warp from the cylinder of a loom.(Mach.)