Definition of "stonecrop"

stonecrop

noun
countable and uncountable, plural stonecrops
1. Any of various succulent plants of the Crassulaceae family, native to temperate zones, especially in genus Sedum
  Quotations
  A trailing plant with flowers like small white stars had bound itself across the bows as if in reverence for the fallen king, and in the crevices of his stony hair yellow stonecrop gleamed.
  1954, J. R. R. Tolkien, The Two Towers
2. Certain plants of genus Lithospermum, in family Boraginaceae.