Dictionary
joint•worm
Pronunciation: ( joint'wûrm"), [key]—
n.
the larva of any of several chalcid flies of the family Eurytomidae, esp. of the genus
Harmolita, that feeds within the stems of grasses, often causing a gall near the first joint. Also called
strawworm. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.