rootworm

A worm that tunnels through the roots of young plants.

Noun

  1. A worm that tunnels through the roots of young plants.
    • Dr. Ostlie, at the University of Minnesota, said he had permission from three companies in 2007 to compare how well their insect-resistant corn varieties fared against the rootworms found in his state. - 2009 February...

Origin

From root + worm.

Forms

rootworms