1. (noun)cringle, eyelet, loop, grommet, grummet fastener consisting of a metal ring for lining a small hole to permit the attachment of cords or lines
2. (noun)loop anything with a round or oval shape (formed by a curve that is closed and does not intersect itself)
3. (noun)iteration, loop (computer science) a single execution of a set of instructions that are to be repeated "the solution took hundreds of iterations"
4. (noun)loop an inner circle of advisors (especially under President Reagan) "he's no longer in the loop"
5. (noun)loop the basic pattern of the human fingerprint
6. (noun)loop a computer program that performs a series of instructions repeatedly until some specified condition is satisfied
7. (noun)loop topology, loop the topology of a network whose components are serially connected in such a way that the last component is connected to the first component
8. (noun)loop an intrauterine device in the shape of a loop
9. (noun)closed circuit, loop a complete electrical circuit around which current flows or a signal circulates
10. (noun)loop, loop-the-loop a flight maneuver; aircraft flies a complete circle in the vertical plane
11. (verb)loop move in loops "The bicycle looped around the tree"
12. (verb)loop, intertwine make a loop in "loop a rope"
13. (verb)loop fly loops, perform a loop "the stunt pilot looped his plane"
14. (verb)coil, loop, curl wind around something in coils or loops
15. (verb)loop fasten or join with a loop "He looped the watch through his belt"