alligatoral‧li‧ga‧tor /ˈæləˌgeɪt̮ɚ/ ●●○ noun [countable]Word Origin a large reptile (=type of animal) with a long body, a long mouth, and sharp teeth that lives in hot wet areas of the U.S. and China [Origin: 1500–1600 Spanish el lagarto “the lizard,” from Latin lacerta]