loop
n. countablen. a shape like a circle made by a curve that crosses itself. You also use this word for a process or sound that repeats over and over.
n. a shape produced by a curve that bends around and crosses itself; also a sequence of instructions or sounds that repeats continuously. Often used figuratively to describe feedback systems or communication cycles.
The computer program runs in a loop until you press stop.
The pilot performed a perfect loop during the air show, drawing a circle in the sky.
The track features a hypnotic drum loop that repeats throughout the entire composition, creating a sense of rhythmic stability against the shifting melodies.
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.
Commonly used in the phrase 'in the loop' or 'out of the loop' to describe being informed about a situation.