Open main menu
See also: Loop




Homophone: loupe

Etymology 1Edit

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.


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.
Derived termsEdit
Related termsEdit
The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.

Etymology 2Edit

From the noun.


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[1]:
      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 termsEdit


See alsoEdit





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


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

  1. to walk



  • (file)
  • Rhymes: -oːp
  • IPA(key): /loːp/


loop m (plural lopen, diminutive loopje n)

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

Derived termsEdit

Related termsEdit



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




loop m (plural loops)

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