资料来源 : Webster's Revised Unabridged Dictionary (1913)

Dryas \Dry"as\, n.; pl. {Dryades}. [L. See {Dryad}.] (Class.
   Myth.)
   A dryad.

资料来源 : WordNet®

Dryas
     n : mountain avens [syn: {genus Dryas}]