'Jointworm' definitions:
Definition of 'jointworm'
From: WordNet
noun
Larva of chalcid flies injurious to the straw of wheat and other grains [syn: strawworm, jointworm]
Definition of 'Jointworm'
From: GCIDE
- Jointworm \Joint"worm`\, n. (Zool.) The larva of a small, hymenopterous fly (Eurytoma hordei), which is found in gall-like swellings on the stalks of wheat, usually at or just above the first joint. In some parts of America it does great damage to the crop. [1913 Webster]