noun Comfrey n. (Bot.) A rough, hairy, perennial plant of several species, of the genus Symphytum. Note: A decoction of the mucilaginous root of the "common comfrey" (Symphytum officinale) is used in cough mixtures, etc.; and the gigantic "prickly comfrey" (Symphytum asperrimum) is somewhat cultivated as a forage plant.
Collaborative International Dictionary of English 0.48
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