(Science: botany) a genus of mintlike plants (Origanum) comprising about twenty-five species. The sweet marjoram (O. Majorana) is pecularly aromatic and fragrant, and much used in cookery. The wild marjoram of Europe and America is O. Vulgare, far less fragrant than the other.
Origin: oe. Majoran, f. Marjolaine, LL. Marjoraca, fr. L. Amaracus, amaracum, gr.