loop

• IPA^(key): /luːp/
• Rhymes: -uːp

Homophone: loupe

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.

• control structure

• loophole

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:

     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.

• loop on Wikipedia.Wikipedia

• Appendix:Parts of the knot

• OOPL, Polo, polo, pool

• IPA^(key): /lʊəp/

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

• Audio

  (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)

• lopen

loop

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

• Pool, pool

loop m (plural loops)

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

• (programmed sequence of instructions): ciclo, laço
• (aircraft manoeuvre): looping

• in loop