Source : Webster's Revised Unabridged Dictionary (1913)

Rosmarine \Ros"ma*rine\, n. [Norw. rosmar a walrus; ros a horse
   (akin to E. horse) + (probably) mar the sea.]
   A fabulous sea animal which was reported to climb by means of
   its teeth to the tops of rocks to feed upon the dew.

         And greedly rosmarines with visages deforme. --Spenser.

Rosmarine \Ros"ma*rine`\, n. [OE. See {Rosemary}.]
   1. Dew from the sea; sea dew. [Obs.]

            That purer brine And wholesome dew called rosmarine.
                                                  --B. Jonson.

   2. Rosemary. [Obs.] --Spenser. ``Biting on anise seed and
      rosmarine.'' --Bp. Hall.