A gall shaped like a hazelnut, growing in clusters on grapevines, produced by the larva of a gallfly (genus Cecidomyia).

An elongated swollen or tuberous gall on the branches of the grapevine, caused by a small reddish-brown weevil (Ampeloglypter sesostris) whose larvae inhabit the galls.

Any insect of the family Cynipidae, whose larvae damage plants, particularly oak trees, creating galls.

plural of gall bladder

Any insect of the Cecidomyiidae family, whose larvae damage crops and other plants, creating galls on the stems and other fleshy parts.

plural of gall midge

plural of gall wasp

The neutral salt skimmed from the surface of melted crown glass.

plural of gall mite

(idiomatic) bitterness and resentment