Webster's Revised Unabridged Dictionary · 1913

Irrorate

Irrorate , transitive verb

[Latin irroratus, past participle of irrorare to bedew; pref. ir- in + ros, roris, dew.]

To sprinkle or moisten with dew; to bedew. [Obsolete]

Irrorate , adjective

(Zoology) Covered with minute grains, appearing like fine sand.