phonetics denoting a voiced sound capable of forming a syllable or syllable nucleus
2.
inherently possessing, exhibiting, or producing a sound
—n
3.
phonetics a voiced sound belonging to the class of frictionless continuants or nasals (l, r, m, n, ) considered from the point of view of being a vowel and, in this capacity, able to form a syllable or syllable nucleus
[C19: from Latin sonāns sounding, from sonāre to make a noise, resound]