1. Anything with a round or oval shape (formed by a curve that is closed and does not intersect itself)
   "The roller coaster had several loops that thrilled the riders"
    
2. A complete electrical circuit around which current flows or a signal circulates
   "The security system operated on a loop";
   - closed circuit
    
3. (computing) a single execution of a set of instructions that are to be repeated
   "the solution took hundreds of loops";
   - iteration
    
4. A computer program that performs a series of instructions repeatedly until some specified condition is satisfied
   "The programmer used a while loop to iterate through the array"
    
5. A flight manoeuvre; aircraft flies a complete circle in the vertical plane
   "The pilot's loop-the-loop thrilled the air show spectators";
   - loop-the-loop
    
6. Fastener consisting of a metal ring for lining a small hole to permit the attachment of cords or lines
   "The sailmaker attached loops to the edge of the sail";
   - cringle, eyelet, grommet, grummet
    
7. The topology of a network whose components are serially connected in such a way that the last component is connected to the first component
   "Ring networks often use a loop topology";
   - loop topology
    
8. The basic pattern of the human fingerprint
   "The forensic expert examined the loops in the fingerprint to identify unique characteristics"
    
9. An intrauterine device in the shape of a loop
   "The doctor recommended a loop as a form of contraception"
    
10. An inner circle of advisors (especially under President Reagan)
    "he's no longer in the loop"

1. Move in loops
   "The bicycle looped around the tree"
    
2. Wind around something in coils or loops
   "She looped the rope around the post";
   - coil, curl
    
3. Fly loops, perform a loop
   "the stunt pilot looped his plane"
    
4. Make a loop in
   "loop a rope";
   - intertwine
    
5. Fasten or join with a loop
   "He looped the watch through his belt"

Sounds like: loonie, loloop, l

Derived forms: looped, loops, looping

Type of: aeroplane manoeuvre [Brit], airplane maneuver [US], airplane manoeuvre [Cdn], bind, camp, circle, circuit, clique, computer program, computer programme [Brit], coterie, electric circuit, electrical circuit, entwine, fastener, fastening, fingerprint, fixing, flight maneuver [US], flight manoeuvre [Brit, Cdn], holdfast, ingroup, inner circle, intrauterine device, intwine [archaic], IUD, Jordan curve, knit, network topology, pack, physical process, process, program, programme [Brit, Cdn], roll, simple closed curve, tie, topology, twine, wind[2], wrap

Encyclopedia: Loop, Pennsylvania