a. Marked with veins; veined; veiny. [ 1913 Webster ]

The excellent old gentleman's nails are long and leaden, and his hands lean and veinous. Dickens. [ 1913 Webster ]

n. (Chem.) A glucoside extracted from the root of a South African plant of the genus Vernonia, as a deliquescent powder, and used as a mild heart tonic. [ 1913 Webster ]