pl. of medium.-one of the sonant mutes /, /, / (b, d, g), in greek, or of their equivalents in other languages, so named as intermediate between the tenues, /, /, / (p, t, k), and the aspiratae  (aspirates) /, /, / (ph or f, th, ch). also called middle mute, or medial, and sometimes soft mute.-of medium