Nouns

(n)cringle, eyelet, loop, grommet, grummetfastener consisting of a metal ring for lining a small hole to permit the attachment of cords or lines
(n)loopanything with a round or oval shape (formed by a curve that is closed and does not intersect itself)
(n)iteration, loop(computer science) a single execution of a set of instructions that are to be repeated“the solution took hundreds of iterations”
(n)loopan inner circle of advisors (especially under President Reagan)“he's no longer in the loop”
(n)loopthe basic pattern of the human fingerprint
(n)loopa computer program that performs a series of instructions repeatedly until some specified condition is satisfied
(n)loop topology, loopthe topology of a network whose components are serially connected in such a way that the last component is connected to the first component
(n)loopan intrauterine device in the shape of a loop
(n)closed circuit, loopa complete electrical circuit around which current flows or a signal circulates
(n)loop, loop-the-loopa flight maneuver; aircraft flies a complete circle in the vertical plane

Verbs

(v)loopmove in loops“The bicycle looped around the tree”
(v)loop, intertwinemake a loop in“loop a rope”
(v)loopfly loops, perform a loop“the stunt pilot looped his plane”
(v)coil, loop, curlwind around something in coils or loops
(v)loopfasten or join with a loop“He looped the watch through his belt”