[noun] (usually plural) the state of having reflex spasms of the diaphragm accompanied by a rapid closure of the glottis producing an audible sound; sometimes a symptom of indigestion; "how do you cure the hiccups?" Synonyms:hiccup, singultus
[verb] breathe spasmodically, and make a sound; "When you have to hiccup, drink a glass of cold water" Synonyms:hiccup