An excrescence produced on trees, especially the oak, by the action of insects, chiefly of the genus Cynips. Oak-galls are largely used in the…

concrete. Growth. Obsolete. rare.

A growth or gall on the root of a plant; perhaps the Mediterranean plant Cytinus hypocistis, which grows as a parasite on the roots of the rock rose…

An abnormal or morbid swelling or enlargement in any part of the body of an animal or plant; an excrescence; a tumefaction. Now usually in…

(a) n. a growth, an excrescence; (b) adj. growing on, attached.

= gall, n.3

= main sense.

Chiefly with distinguishing word: a gall on the stem or leaf of a plant.

a gall or other excrescence simulating a fruit.

an abnormal cluster of shoots on a plant, typically resulting from infection; = witches' broom, n.

An abnormal, dense cluster of shoots growing from a plant, resulting from infection with various fungi, bacteria, or viruses, or from infestation…

A gall formed on an oak of Asia Minor, Quercus infectoria, by the gall wasp Cynips insana. Now rare.

a small red nail-shaped gall which forms on the leaves of lime trees (Tilia species) in response to the presence of the gall mite Eriophyes tiliae.

a hard, spherical brown or green gall formed on the common oak in response to the developing larva of the gall wasp Andricus kollari.

a malformation consisting in the curling over of a leaf caused by an insect.

an abnormal enlargement of a twig, due to the action of insects, fungi, or bacteria.

= gall, n.3; (see also quot. 1902).