Entry 2 senses · 2 variants Webster, 1913 Bellyache /bĕl'-ē-ākˌ/ · Bel·ly·ache · IPA /ˈbɛliˌeɪk/ n. v. i. 01 n. Pain in the bowels; colic. 1. Pain in the bowels; colic. 02 v. i. to complain, especially in a whining or grumbling manner; to gripe. 1. to complain, especially in a whining or grumbling manner; to gripe. Syn. gripe, whine, complain, moan, snivel, grumble, squawk.