noun a sonant letter.
2. sonant ·adj of or pertaining to sound; sounding.
3. sonant ·adj 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.