1. An astringent alcoholic solution containing an extract from the witch hazel plant.
2. Any of several shrubs or trees of the genus Hamamelis; bark yields an astringent lotion.
Any flowering shrub or small tree of the genus Hamamelis of the witch-hazel family, native to North America and E Asia, especially H. virginiana. An astringent extract prepared from the bark or leaves is used in medicine as an eye lotion and a liniment.