O / omnĭsŏnus
adjective

omnĭsŏnus

fem. omnĭsŏna · neut. omnĭsŏnum
omnis-sono
uttering all kinds of sounds
uttering all kinds of sounds (post-class.): harmonia, Paul. Nol. Carm. 24, 81: mela, Mart. Cap. 9, § 912.