Tomato worm Meaning, Definition & Usage

  1. noun large green white-striped hawkmoth larva that feeds on tobacco and related plants; similar to tomato hornworm
    Manduca sexta; tobacco hornworm.

WordNet

Definitions
  1. (Zoöl.), the larva of a large hawk moth (Sphinx, ∨ Macrosila, quinquemaculata) which feeds upon the leaves of the tomato and potato plants, often doing considerable damage. Called also potato worm.

Webster 1913