You searched for: “mastodon
1. A large extinct mammal that resembled an elephant, with shaggy hair and two sets of tusks; Genus Mastodon.
2. Etymology: from Modern Latin, the genus name Mastodon (1806), coined by Georges Cuvier from Greek mastos, "breast" + odont-, "tooth"; so called because of the nipple-like projections on the crowns of the extinct mammal's fossil molars.