Cēt'ra-rīne, n.
n. [From N. Lat. cetraria, Iceland-moss, from Lat. cetra, a leather shield, from its flat form and coriaceous quality.] (Chem.) The bitter principle of the lichen Cetraria Icelandica, or Iceland-moss. Gregory.
n. [From N. Lat. cetraria, Iceland-moss, from Lat. cetra, a leather shield, from its flat form and coriaceous quality.] (Chem.) The bitter principle of the lichen Cetraria Icelandica, or Iceland-moss. Gregory.