The Collaborative International Dictionary
Glottal catch
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.
Wiktionary
glottal catch
n. An effect produced upon the breath or voice by a sudden opening or closing of the glottis.
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]