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tobacco hornworm

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noun
  1. the larva of a hawk moth, Manduca sexta, having a hornlike structure at its posterior end and feeding on the leaves of tobacco and other plants of the nightshade family.
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Origin of tobacco hornworm

First recorded in 1730–40
Also called tobacco worm.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018