Source : Webster's Revised Unabridged Dictionary (1913)

Glottal \Glot"tal\, a.
   Of or pertaining to, or produced by, the glottis; glottic.

   {Glottal catch}, an effect produced upon the breath or voice
      by a sudden opening or closing of the glotts. --Sweet.

Source : WordNet®

glottal catch
     n : a stop consonant articulated by releasing pressure at the
         glottis; as in the sudden onset of a vowel [syn: {glottal
         stop}, {glottal plosive}]