any of various Old World, boraginaceous herbs, as Anchusa officinalis, having rough leaves, used in medicine, and Lycopsis arvensis, a bristly, blue-flowered herb.
Origin: 1350–1400; ME buglossa < ML, for L būglōssos < Gk, equiv. to bou-, s. of boûs ox + -glōssos -tongued, adj. deriv. of glôssa tongue
bu·gloss (byōō'glôs', -glŏs') n. Any of several usually hairy Old World plants, especially in the genera Anchusa, Brunnera, and Echium, having blue or violet flowers.
[Middle English buglosse, from Old French, from Late Latin būglōssa, from Latin būglōssos, from Greek bouglōssos : bous, ox; see gwou- in Indo-European roots + glōssa, tongue.]