Tar‐ta″re‐ous, a. [Cf. 1st Tartarous.] 1. Consisting of tartar; of the nature of tartar.
2. (Bot.) Having the surface rough and crumbling; as, many lichens are tartareous.
Webster's Dictionary 1913
Tar‐ta″re‐ous, a. [Cf. 1st Tartarous.] 1. Consisting of tartar; of the nature of tartar.
2. (Bot.) Having the surface rough and crumbling; as, many lichens are tartareous.