Quercitin \Quer"ci*tin\ (kw[~e]r"s[i^]*t[i^]n), n. (Chem.)
A yellow crystalline substance, occurring quite widely
distributed in the vegetable kingdom, as in apple-tree bark,
horse-chestnut leaves, etc., but originally obtained by the
decomposition of quercitrin. Called also {meletin}.
[1913 Webster]