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Meaning of sonorant

so•no•rant

Pronunciation: (su-nôr'unt, -nōr'-, sō-), [key]
— Phonet. Phonet.
—n.
  1. a voiced sound that is less sonorous than a vowel but more sonorous than a stop or fricative and that may occur as either a sonant or a consonant, as (l, r, m, n, y, w).
  2. a speech sound characterized by relatively free air passage through some channel, as a vowel, semivowel, liquid, or nasal. Cf.
—adj.
  1. of, pertaining to, or having the properties of a sonorant.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.