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Webster 1913 Edition

Adj.

[L.

ros

roris

, dew.]

Of or pertaining to dew; consisting of dew; dewy.

[R.]

M. Green.

Adj.

[L. roralis, from ros, dew.]

Pertaining to dew or consisting of dew; dewy.

roral ‎(comparative more roral, superlative most roral)

Relating to dew; dewy.
- Matthew Green
  With roral wash redeem her face, / And prove herself of Titan's race, / And, mounting in loose robes the skies, / Shed light and fragrance as she flies.