1. Of or pertaining to sound; sounding.
2. Uttered, as an element of speech, with tone or proper vocal sound, as distinguished from mere breath sound; intonated; voiced; tonic; the opposite of nonvocal, or surd; sid of the vowels, semivowels, liquids, and nasals, and particularly of the consonants b, d, g hard, v, etc, as compared with their cognates p, t, k, f, etc, which are called nonvocal, surd, or aspirate.
A sonant letter.
Origin: L. Sonans, -antis, p.pr. Of sonare to sound.