- looploop1 [lo͞op]n.[ME loup < Anglo-N forms corresponding to ON hlaup, a leap, hlaupa, to run (akin to LEAP) > Dan løbe(knude), lit., running (knot)]1.a) the more or less circular figure formed by a line, thread, wire, etc. that curves back to cross itselfb) a noose2. anything having or forming this figure [the loop of a written l]3. a sharp bend, as in a mountain road, which almost comes back upon itself4. a ring-shaped fastening or ornament [loops for a belt]5. a plastic intrauterine contraceptive device: usually with the6. a segment of film or magnetic tape joined end to end to form a continuous strip for endless repetition in mixing or dubbing sound7. a system consisting of a series of operations or activities in which each depends on the outcome of the previous one; esp., such a system in which the result of a later operation affects an earlier operation, providing continuous feedback8. Aeron. a looplike airplane maneuver flown in a vertical plane9. Comput. a sequence of program instructions that are repeatedly executed until certain conditions are reached10. Elec. a complete circuit11. Physics the part of a vibrating string, air column, etc. between the nodes; antinodevt.1. to make a loop or loops in or of2. to wrap around one or more times [loop the wire around the post]3. to fasten with a loop or loops [to loop curtains back]4. to dub in or rerecord dialogue or other sound into (a film)5. Elec. to join (conductors) so as to complete a circuitvi.1. to form into a loop or loops2. to progress as a measuring worm does by alternately straightening the body and drawing it up into a loop3. Aeron. to perform a loop or loops——————in the loop or out of the loopwithin (or not within) a particular exclusive group, often one that has influence, information, etc.; being (or not being) an insider——————loop the loopto make a vertical loop in the air, as in an airplane——————☆ the Loopthe main business and shopping district in downtown Chicagoloop2 [lo͞op]n.[ME loupe, prob. < MDu lupen, to peer]Archaic a narrow opening or loophole
English World dictionary. V. Neufeldt. 2014.