vib·ri·o 
(vĭbrē-ō′)
(vĭbrē-ō′)n. pl. vib·ri·os
Any of various short, motile, S-shaped or comma-shaped bacteria of the genus Vibrio, especially V. cholerae, which causes cholera.
[New Latin Vibriō, genus name, from Latin vibrāre, to vibrate (from their vibratory motion); see VIBRATE.]
vibri·oid′ (-oid′) adj.