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.

Source: Webster's Revised Unabridged Dictionary (1913)