(astronomy) A group of galaxies that hold together gravitationally.

(astronomy) An aggregation of individual stars, dust, and gas (and possibly dark matter) that surrounds a galaxy

A chilognath myriapod of the genus Julus and allied genera, having numerous short legs along the sides; a millipede.

plural of galley-worm

(astronomy) A spiral galaxy with a central bar-shaped structure composed of stars.

Hormaphis hamamelidis, the aphid that causes witch-hazel cone gall.

Cone-shaped distortions of the leaves of witch-hazel trees, caused by Hormaphis hamamelidis, the witch-hazel cone gall aphid.

An herbal shrub with a sweet resinous scent, Myrica gale, growing on moors and fens.

(astronomy) Any of a class of galaxies that have nuclei with excessive amounts of ultraviolet emissions.

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