tox·o·dont I. \ˈtäksəˌdänt\adjective ortox·o·don·tid\ˌ ̷ ̷ ̷ ̷ˈdäntə̇d\ Etymology:toxodont from New Latin Toxodontia; toxodontid from New Latin Toxodontia + English -id : of or relating to the Toxodontia II. noun ortoxodontid\“\ (-s) : a toxodont mammal or fossil