hiccup

An involuntary spasm of the diaphragm causing a sharp, audible intake of breath.

"He had a persistent hiccup after eating."

To make a sharp, involuntary sound in the throat due to a diaphragm spasm.

"The baby started to hiccup after its feed."

A minor, temporary problem or setback causing a brief delay.

"The project hit a small technical hiccup."