Source : Webster's Revised Unabridged Dictionary (1913)

Origan \Or"i*gan\, Origanum \O*rig"a*num\, n. [L. origanum, Gr.
   ?, ?, prob. fr. 'o`ros, mountain + ? brightness, beauty. Cf.
   {Organy}.] (Bot.)
   A genus of aromatic labiate plants, including the sweet
   marjoram ({O. Marjorana}) and the wild marjoram ({O.
   vulgare}). --Spenser.

Marjoram \Mar"jo*ram\, n. [OE. majoran, F. marjolaine, LL.
   marjoraca, fr. L. amaracus, amaracum, Gr. ?, ?.] (Bot.)
   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.