Definition of looper in English:

looper

Line breaks: loop¦er
Pronunciation: /ˈluːpə
 
/

noun

  • 1A caterpillar of a geometrid moth, which moves forward by arching itself into loops. Also called measuring worm or ( North American ) inchworm.
    More example sentences
    • They are economical to raise, however, and mass releases can be very effective against corn earworm, cabbageworms, loopers, hornworms, codling moth and other leaf-eating caterpillars.
    • The newly seeded alfalfa has plant bugs and potato leafhoppers and established alfalfa has army worms, alfalfa loopers, thistle caterpillars, and variegated cut worms.
    • Aphids, cabbage loopers, flea beetles, leafhoppers and leaf miners are some of the insects that attack lettuce, but slug are the most notorious for loving lettuce.
  • 2A device for making loops.
    More example sentences
    • There was no time to wonder at the marvels of engineering that kept loopers, needles and blades dancing without a misstep even as the speed hit maximum.
    • Use decorative thread in the upper looper and adjust the machine for a short, rolled-edge stitch.
    • Using a 4-thread, medium-length balanced stitch and serger thread in the needle and loopers, serge the front to back at both shoulders.

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a slit made by cutting with a saw