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loop Meaning, Definition & Usage

  1. noun fastener consisting of a metal ring for lining a small hole to permit the attachment of cords or lines
    eyelet; grommet; grummet; cringle.
  2. noun anything with a round or oval shape (formed by a curve that is closed and does not intersect itself)
  3. noun (computer science) a single execution of a set of instructions that are to be repeated
    iteration.
    • the solution took hundreds of iterations
  4. noun an inner circle of advisors (especially under President Reagan)
    • he's no longer in the loop
  5. noun the basic pattern of the human fingerprint
  6. noun a computer program that performs a series of instructions repeatedly until some specified condition is satisfied
  7. noun the topology of a network whose components are serially connected in such a way that the last component is connected to the first component
    loop topology.
  8. noun an intrauterine device in the shape of a loop
  9. noun a complete electrical circuit around which current flows or a signal circulates
    closed circuit.
  10. noun a flight maneuver; aircraft flies a complete circle in the vertical plane
    loop-the-loop.
  11. verb move in loops
    • The bicycle looped around the tree
  12. verb make a loop in
    intertwine.
    • loop a rope
  13. verb fly loops, perform a loop
    • the stunt pilot looped his plane
  14. verb wind around something in coils or loops
    coil; curl.
  15. verb fasten or join with a loop
    • He looped the watch through his belt
WordNet

Loop noun
Etymology
G. luppe an iron lump. Cf. Looping.
Definitions
  1. (Iron Works) A mass of iron in a pasty condition gathered into a ball for the tilt hammer or rolls. Written also loup.
Loop noun
Etymology
Cf. Ir. & Gael. lub loop, noose, fold, thong, bend, lub to bend, incline.
Definitions
  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) A wire forming part of a main circuit and returning to the point from which it starts.
  5. (Acoustics) The portion of a vibrating string, air column, etc., between two nodes; -- called also ventral segment.
Loop transitive verb
Wordforms
imperfect & past participle Looped ; present participle & verbal noun Looping
Definitions
  1. 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.

Webster 1913