anything with a round or oval shape (formed by a curve that is closed and does not intersect itself)
"The decorative lampshade featured an elegant loop of fabric draped in a perfect circle."
the basic pattern of the human fingerprint
"The forensic expert identified the suspect by matching the unique loop pattern found on the lifted fingerprints to those in the database."
a computer program that performs a series of instructions repeatedly until some specified condition is satisfied
"The developer spent hours debugging the loop in her code because it kept running even after the user had cancelled the transaction."
the topology of a network whose components are serially connected in such a way that the last component is connected to the first component
"The engineer reconfigured the server rack into a loop so that data could travel from the final node back to the starting point without interruption."
an intrauterine device in the shape of a loop
"After getting fitted for birth control, my doctor placed a plastic loop inside me to prevent pregnancy."
a complete electrical circuit around which current flows or a signal circulates
"The technician had to rewire the entire loop because the faulty connection was causing the sensors to spin out of control."
a flight maneuver; aircraft flies a complete circle in the vertical plane
"The pilot performed a perfect loop to gain altitude over the mountain pass."
A length of thread, line or rope that is doubled over to make an opening.
"She tied a quick loop at the end of her shoelace so she could pull it tight and secure her foot inside."
In plain English: A loop is a path that starts and ends at the same place without going anywhere else in between.
"The wire formed a small loop at the end of the hook."
Usage: Use "loop" as a noun to describe a curved bend in a path or a folded section of material like a string or wire. It refers specifically to the shape formed when something doubles back on itself rather than a complete circle.
To form something into a loop.
"She took the wire and bent it until it formed a perfect loop to hang the picture on the nail."
In plain English: To loop means to move back and forth over the same path again and again.
"I need to loop back to you later with the updated information."
Usage: Use "loop" as a verb when you physically bend or curve an object, such as a wire or string, to create a circular shape with ends that meet. Do not use it to describe repeating actions or software cycles, which require different verbs like "repeat" or "cycle."
A surname.
"At the family reunion, Aunt Loop shared her famous recipe for pumpkin bread."
The word loop comes from Middle English loupe, meaning "noose," which was itself borrowed from Old Norse for a type of running knot used in rope work. This original sense of a tight, functional knot eventually evolved into our modern understanding of a curved line or circle.