/al"euhm rooht', -root'/ , n.
1. any of several North American plants belonging to the genus Heuchera, of the saxifrage family, esp. H. americana, having mottled foliage and greenish-white flowers.
2. the root of any of these plants, used as an astringent.
[ 1805-15, Amer.; ALUM 1 + ROOT 1 ]