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Meaning of cabbage looper

cab'bage loop"er

Pronunciation: [key]
  1. the larva of a noctuid moth, Trichoplusia ni, common throughout the U.S. and Canada, that feeds on a wide variety of vegetable crops, esp. cabbage and lettuce.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.