What does "loop" mean?

Loop: A fold or doubling of a thread, cord, rope, etc., through which another thread, cord, etc., can be passed, or which a hook can be hooked into; an eye, as of metal; a staple; a noose; a bight. That the probation bear no hinge, nor loop To hang a doubt on. Shak.

Additional senses

  1. 2.A small, narrow opening; a loophole. And stop all sight-holes, every loop from whence The eye of Reason may pry in upon us. Shak.
  2. 3.A curve of any kind in the form of a loop.
  3. 4.(Telegraphy) A wire forming part of a main circuit and returning to the point from which it starts.
  4. 5.(Acoustics) The portion of a vibrating string, air column, etc., between two nodes; -- called also ventral segment. Loop knot, a single knot tied in a doubled cord, etc. so as to leave a loop beyond the knot. See Illust. of Knot.
  5. 6.To make a loop of or in; to fasten with a loop or loops; -- often with up; as, to loop a string; to loop up a curtain.

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