a partially closed figure that has a curved outline surrounding a central opening
something shaped like or in the form of a loop, esp a ring or curved piece used to form a fastening or handle
a manoeuvre in which an aircraft flies in a vertical circle passes successively through a climb, inverted flight, and a dive, and then returns to normal flight
a zigzag-shaped intrauterine contraceptive device
a piece of film or magnetic tape whose ends are spliced together so as to reproduce the same material continuously
a series of instructions, e.g. for a computer, that is repeated until a terminating condition is reached
a closed electric circuit
= loop line
knock somebody for a loop
to surprise or disconcert somebody greatly
[Middle English loupe, of unknown origin]