LOOP Loop, n. Etym: [Cf. Ir. & Gael. lub loop, noose, fold, thong, bend, lub to bend, incline.]
1. 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.
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.
3. A curve of any kind in the form of a loop.
4. (Telegraphy)
Defn: A wire forming part of a main circuit and returning to the point from which it starts.
5. (Acoustics)
Defn: 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.
LOOP
Loop, v. t. [imp. & p. p. Looped; p. pr. & vb. n. Looping.]
Defn: 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.