Source : Webster's Revised Unabridged Dictionary (1913)

Vibrio \Vib"ri*o\, n.; pl. E. {Vibrios}, L. {Vibriones}. [NL.,
   fr. L. vibrare to vibrate, to move by undulations.] (Biol.)
   A genus of motile bacteria characterized by short, slightly
   sinuous filaments and an undulatory motion; also, an
   individual of this genus.