- 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.
- any perennial plant of the genus Taraxacum, such as the dandelion, having dense heads of small yellow flowers and seeds with a feathery attachment: family Asteraceae (composites)
- the dried root of the dandelion, used as a laxative, diuretic, and tonic
