REDBELLY Meaning of REDBELLY in English ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun 1.a. : a pumpkinseed ( Lepomis gibbosus )b. : a European char ( Salvelinus salvelinus )c. : red grouper2. : red-bellied terrapin Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012