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[loo-per] /ˈlu pər/
a person or thing that loops something or forms loops.
a measuringworm.
the thread holder in a sewing machine using two threads.
Baseball. blooper (def 3a).
Origin of looper
1725-35; loop1 + -er1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for looper
Historical Examples
  • These looper caterpillars cannot shorten nor lengthen their segments at will, as other caterpillars, but only bend their bodies.

    The Insect World Louis Figuier
  • A looper on the underside in place of the horizontal needle.

  • It covers the ground pretty quickly, buckling and unbuckling by turns, very much after the manner of the looper caterpillar.

    The Life of the Fly J. Henri Fabre
  • I was mistaken: not a segment of the looper is spared, not even the last ones.

    More Hunting Wasps J. Henri Fabre
  • The loop spreaders are moved by a roller carried upon the looper frame.

  • With looper gone, though I expect Everet will do nearly as well at center, it means a certain loss of team work.

    A Quarter-Back's Pluck Lester Chadwick
  • Yet another is addicted to the Grey Worm and another to the looper.

    More Hunting Wasps J. Henri Fabre
  • Among the Lepidoptera, we notice a reduction in the number of pro-legs in the 'looper' caterpillars of Geometrid moths.

    The Life-Story of Insects Geo. H. Carpenter
  • It is a "looper," greyish at first and turning green later, and nearly an inch long when full grown.

    Roses and Rose Growing Rose Georgina Kingsley
  • The thread was caught by a looper and detained so that it then became enchained in the next loop of thread.

British Dictionary definitions for looper


a person or thing that loops or makes loops
another name for a measuring worm
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Slang definitions & phrases for looper



A fly ball hit between the infield and outfield (1937+ Baseball)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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