Dictionary entry

Rosmarine (2)

Webster's Dictionary 1913

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.