The Collaborative International Dictionary of English v.0.48:

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.
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         And greedly rosmarines with visages deforme. --Spenser.
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The Collaborative International Dictionary of English v.0.48:

Rosmarine \Ros"ma*rine`\, n. [OE. See Rosemary.]
   1. Dew from the sea; sea dew. [Obs.]
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            That purer brine
            And wholesome dew called rosmarine.   --B. Jonson.
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   2. Rosemary. [Obs.] --Spenser. "Biting on anise seed and
      rosmarine." --Bp. Hall.
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