Involuntary Contraction of the Diaphragm
This page is the CodyCross answer for the clue below from Concert Hall, Group 589, Puzzle 2 (Acoustic Design).
Question is: Involuntary Contraction of the Diaphragm
and the answer is: HICCUP
Word Meaning:
HICCUP — A spasm of the diaphragm, or the resulting sound.
Definitions from Wiktionary.