'Sonant' definitions:

Definition of 'sonant'

From: WordNet
adjective
Produced with vibration of the vocal cords; "a frequently voiced opinion"; "voiced consonants such as `b' and `g' and `z'"; [syn: voiced, sonant, soft] [ant: hard, surd, unvoiced, voiceless]
noun
A speech sound accompanied by sound from the vocal cords [syn: sonant, voiced sound]

Definition of 'Sonant'

From: GCIDE
  • Sonant \So"nant\, a. [L. sonans, -antis, p. pr. of sonare to sound. See Sound a noise.]
  • 1. Of or pertaining to sound; sounding. [1913 Webster]
  • 2. (Phonetics) Uttered, as an element of speech, with tone or proper vocal sound, as distinguished from mere breath sound; intonated; voiced; vocal; tonic; the opposite of nonvocal, or surd; -- said 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. -- n. A sonant letter. [1913 Webster]