Definition of "hiccup"

hiccup

/ˈhɪkʌp/

noun
plural hiccups
1. A spasm of the diaphragm, or the resulting sound.
2. (by extension) Any spasm or sudden change.
  Quotations
  Albert didn't notice the switch, the subliminal flash and hiccup in time as the man he had been talking to only seconds before was catapulted backwards half an hour.
  2010, Oli Smith, Nuclear Time, page 197
3. (informal) A minor setback.
verb
third-person singular simple present hiccups, present participle hiccuping or hiccupping, simple past and past participle hiccuped or hiccupped
1. (intransitive) To produce a hiccup; have the hiccups.
2. (transitive) To say with a hiccup.
3. (intransitive) To produce an abortive sound like a hiccup.