Definitions
1.nounA length of thread, line or rope that is doubled over to make an opening.
2.nounThe opening so formed.
3.nounA shape produced by a curve that bends around and crosses itself."Arches, loops, and whorls are patterns found in fingerprints."
4.nounA ring road or beltway.
5.nounAn endless strip of tape or film allowing continuous repetition.
6.nounA complete circuit for an electric current.
7.nounA programmed sequence of instructions that is repeated until or while a particular condition is satisfied.
8.nounAn edge that begins and ends on the same vertex.
9.nounA path that starts and ends at the same point.
10.nounA bus or rail route, walking route, etc. that starts and ends at the same point.
11.nounA place at a terminus where trains or trams can turn round and go back the other way without having to reverse; a balloon loop, turning loop, or reversing loop.
12.nounA quasigroup with an identity element.
13.nounA loop-shaped intrauterine device.
14.nounAn aerobatic maneuver in which an aircraft flies a circular path in a vertical plane.
15.nounA small, narrow opening; a loophole.
16.nounA flexible region in a protein's secondary structure.
17.nounA mass of iron in a pasty condition gathered into a ball for the tilt hammer or rolls.