Meaning of LOOP in English

LOOP

[noun] [C] - the curved shape made when something long and thin, such as a piece of string or rope, bends until one part of it nearly touches or crosses another part of ita skirt with belt loopsa loop of stringthe loop of the riverThe tape is said to run in a continuous loop, a method of speeding up access time to data.His writing was childish with large loops on the letters.In an electrical or other circuit a loop is part of the system which leaves and comes back to the main structure.These terminals are on a loop.We could put in an extra loop for the upstairs rooms.A loop is also a type of IUD (= device for preventing pregnancy).

Cambridge English vocab.      Кембриджский английский словарь.