bottlebrush(redirected from bottlebrushes)
Also found in: Thesaurus.
Any of various Australian shrubs or trees of the genus Callistemon, having dense cylindrical spikes of flowers with long stamens that resemble a brush used to clean bottles.
1. (Tools) a cylindrical brush on a thin shaft, used for cleaning bottles
2. (Plants) Also called: callistemon any of various Australian myrtaceous shrubs or trees of the genera Callistemon and Melaleuca, having dense spikes of large red flowers with protruding brushlike stamens
3. (Plants) any of various similar trees or shrubs
any Australasian tree or shrub of the genera Callistemon and Melaleuca, of the myrtle family, having a flower spike with pink or yellow brushlike tufts.