laugh*ing thrush n. a gregarious thrushlike babbler of South and Southeast Asia, typically with dark gray or brown plumage and a boldly marked head, and having a cackling call. Genus Garrulax, family Timaliidae: many species. Laugh*lin a community in southern Arizona, across the Colorado River from Bullhead City; pop. 4,791. laugh*ter n. the action or sound of laughing: he roared with laughter. Old English hleahtor, of Germanic origin; related to German Gelachter, also to LAUGH. Linked