Roration — Ro*ra tion, n. [L. roratio, fr. rorare to drop dew, fr. ros dew.] A falling of dew. [R.] [1913 Webster] … The Collaborative International Dictionary of English
roration — noun /ɹɔəˈɹeɪʃən/ A falling of dew. With dawn we see the mark of yesternight’s roration … Wiktionary
