mas·to·dont I. \ˈ ̷ ̷ ̷ ̷ˌdänt\adjective Etymology: New Latin Mastodont-, Mastodon 1.: having or being teeth like a mastodon's 2.: of or relating to the mastodons II. noun (-s) Etymology: New Latin Mastodont-, Mastodon : mastodon • mas·to·don·tic\| ̷ ̷ ̷ ̷|däntik\adjective