Stonecrop \Stone"crop`\, n. [AS. st[=a]ncropp.] 1. A sort of tree. [Obs.] --Mortimer. 2. (Bot.) Any low succulent plant of the genus {Sedum}, esp. {Sedum acre}, which is common on bare rocks in Europe, and is spreading in parts of America. See {Orpine}. {Virginian}, or {Ditch}, {stonecrop}, an American plant ({Penthorum sedoides}).