bellyache I. \ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷\noun Etymology:belly (I) + ache : pain in the abdomen and especially in the bowels : colic II. intransitive verb : to complain and find fault whiningly or with disgruntled peevishness < bellyached about small matters — Stanley Walker > Synonyms:see complain