occinō

   occinō cinuī or cecinī, —, ere    [ob+cano], to sing inauspiciously, croak: si occecinerit avis, i. e. gives an unfavorable omen, L.: corvus occinuit, L.

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occinere, occinui, - V

break in with a song or call; interpose a call; sing inauspiciously, croak