Meaning of “loop” in the English Dictionary

(Definition of “loop” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"loop" in American English

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loopnoun [ C ]

us /lup/

a circular shape made by something long and narrow in which the two ends cross each other, leaving an open space within:

A loop of thread from my sweater caught on a nail.
The exit ramp makes a loop under the elevated highway.
loop
verb [ I/T ] us /lup/

[ I always + adv/prep ] The nature trail loops around and comes back to where you start.

(Definition of “loop” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"loop" in Business English

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loopnoun [ C ]

uk /luːp/ us

IT one or more instructions given repeatedly by a computer program until a particular result is achieved

be in the loop informal

to be one of a group of people who have particular knowledge, make important decisions, or deal with important situations:

Entry-level workers want to feel like they're in the loop.
be out of the loop informal

to not be one of a group of people who have particular knowledge, make important decisions, or deal with important situations:

A group of senior staff at the plant have just told her they are as much out of the loop as the workers.

(Definition of “loop” from the Cambridge Business English Dictionary © Cambridge University Press)