loop

Reading level: hard

Estimated CEFR level: C1 — Advanced

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun fastener consisting of a metal ring for lining a small hole to permit the attachment of cords or lines
  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

Etymology

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

In classic literature

Synonyms

cringle, eyelet, grommet, grummet

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