the dried roots of any of several composite plants of the genus Taraxacum, as the dandelion, T. officinale or T. laevigatum, used in medicine in powdered or fluidextract form chiefly as a tonic and aperient.
Main Entry: ta·rax·a·cum Pronunciation: t&-'rak-s&-k&m Function: noun 1capitalized: a genus of chieflyweedy perennial composite herbs which includes the dandelions 2: the dried rhizome and roots of a dandelion (T. officinale) used as a diuretic, a tonic, and an aperient
[tuh-rak-suh-kuh
m] 