looper

noun

loop·​er ˈlü-pər 

plural loopers

1

: any of the usually rather small hairless caterpillars that are mostly larvae of moths (families Geometridae and Noctuidae) and move with a looping motion in which the hind prolegs draw the posterior body toward the front followed by forward extension by the anterior legs

called also inchworm

2

: one that loops

3

golf : caddie

Playing golf with a caddie can be one of the best experiences in golf. Or, it can be one of the worst. It all depends on your looper and your attitude.

—Golf Magazine

Examples of looper in a Sentence

Recent Examples on the Web

The leaves are resistant to cabbage worms and loopers. —Lauren David, Better Homes & Gardens, 29 Sep. 2024

Birdy performed a version of one of her songs as a ballad, which built into a cascading sequence involving a looper pedal, that gave me goose bumps. —Matteo Wong, The Atlantic, 22 July 2024

This is the basic strategy behind programs that identify loopers and many other species of non-halting machines, but the closed tape language method had the potential to identify a much broader class of patterns using a unified mathematical framework. —Ben Brubaker, Quanta Magazine, 2 July 2024

But what happens when a looper fails to kill their older self? —Jennifer Ouellette and Sean M. Carroll, Ars Technica, 24 Nov. 2023

Word History

First Known Use

1731, in the meaning defined at sense 1

Phrases Containing looper

• cabbage looper

Kids Definition

looper

noun

loop·​er ˈlü-pər 

1

: any of numerous small caterpillars that are mostly larvae of moths, move with a looping movement, and have little or no hair

called also inchworm, measuring worm

2

: one that loops