Definify.com

Webster 1913 Edition

Loop

Loop

(loōp)
,
Noun.
[G.
luppe
an iron lump. Cf.
Looping
.]
(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.
[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.
Shakespeare
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.
Shakespeare
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 knot
,
a single knot tied in a doubled cord, etc. so as to leave a loop beyond the knot. See Illust. of
Knot
.

Loop

(loōp)
,
Verb.
T.
[
imp. & p. p.
Looped
(loōpt)
;
p. pr. & vb. n.
Looping
.]
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 1828 Edition

Loop

LOOP

, n.
1.
A folding or doubling of a string or a noose, through which a lace or cord may be run for fastening.
That the probation bear no hinge, nor loop to hang a doubt on.
2.
In iron-works, the part of a row or block of cast iron, melted off for the forge or hammer.

Definition 2024

loop

loop

English

Noun

loop ‎(plural loops)

  1. A length of thread, line or rope that is doubled over to make an opening.
  2. The opening so formed.
  3. A shape produced by a curve that bends around and crosses itself.
    Arches, loops, and whorls are patterns found in fingerprints.
  4. A ring road or beltway.
  5. An endless strip of tape or film allowing continuous repetition.
  6. A complete circuit for an electric current.
  7. (programming) A programmed sequence of instructions that is repeated until or while a particular condition is satisfied.
  8. (graph theory) An edge that begins and ends on the same vertex.
  9. (topology) A path that starts and ends at the same point.
  10. (transport) A bus or rail route, walking route, etc. that starts and ends at the same point.
  11. (algebra) A quasigroup with an identity element.
  12. A loop-shaped intrauterine device.
  13. An aerobatic maneuver in which an aircraft flies a circular path in a vertical plane.
  14. A small, narrow opening; a loophole.
    • Shakespeare
      And stop all sight-holes, every loop from whence / The eye of Reason may pry in upon us.
  15. Alternative form of loup (mass of iron).
  16. (biochemistry) A flexible region in a protein's secondary structure.
Hypernyms
Hyponyms
Derived terms
Related terms
Translations

Etymology 2

From the noun.

Verb

loop ‎(third-person singular simple present loops, present participle looping, simple past and past participle looped)

  1. (transitive) To form something into a loop.
  2. (transitive) To fasten or encircle something with a loop.
  3. (transitive) To fly an aircraft in a loop.
  4. (transitive) To move something in a loop.
  5. (transitive) To join electrical components to complete a circuit.
  6. (transitive) To duplicate the route of a pipeline.
  7. (transitive) To create an error in a computer program so that it runs in an endless loop and the computer freezes up.
  8. (intransitive) To form a loop.
  9. (intransitive) To move in a loop.
    The program loops until the user presses a key.
    • 2011 February 4, Gareth Roberts, “Wales 19-26 England”, in BBC:
      The outstanding Tom Palmer won a line-out and then charged into the heart of the Welsh defence, scrum-half Ben Youngs moved the ball swiftly right and Cueto's looping pass saw Ashton benefit from a huge overlap to again run in untouched.
Derived terms
Translations

See also

  • Appendix:Parts of the knot

Anagrams

Afrikaans

Noun

loop ‎(plural lope, diminutive lopie)

  1. walking, gait
  2. (of events) course
  3. (of guns) barrel
  4. (informal) business end (of a rifle, etc.)
  5. (music, usually in diminutive) run: a rapid passage in music, especially along a scale

Verb

loop ‎(present loop, present participle lopende, past participle geloop)

  1. to walk

Dutch

Pronunciation

  • Rhymes: -oːp
  • IPA(key): /loːp/

Noun

loop m ‎(plural lopen, diminutive loopje n)

  1. course, duration
  2. a river course
  3. course of a projectile
  4. bore (of a firearm)

Derived terms

Related terms

Verb

loop

  1. first-person singular present indicative of lopen
  2. imperative of lopen

Anagrams

Portuguese

Noun

loop m (plural loops)

  1. (computing) loop (repeating sequence of instructions)
  2. loop (aircraft manoeuvre)

Synonyms

Etymology

From Middle English loupe ‎(“noose, loop”), earlier lowp-knot ‎(“loop-knot”), of North Germanic origin, from Old Norse hlaup ‎(“a run", literally, "a leap”), used in the sense of a "running knot", from hlaupa ‎(“to leap”), ultimately from Proto-Germanic *hlaupaną. Compare Swedish löp-knut ‎(“loop-knot”), Danish løb-knude ‎(“a running knot”), Danish løb ‎(“a course”). More at leap.

Pronunciation

  • IPA(key): /luːp/
  • Rhymes: -uːp

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