Meaning of velaric airstream

ve•lar'ic air'stream

Pronunciation: (vi-lâr'ik, -lar'-), [key]
— Phonet. Phonet.
  1. a current of mouth air produced by the action of the tongue, operant in forming click sounds.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.