Definitions for tobacco hornworm
Random House Webster's College Dictionary
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.
tobacco hornworm, tomato worm, Manduca sexta(noun)
large green white-striped hawkmoth larva that feeds on tobacco and related plants; similar to tomato hornworm
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