10 letters · 15 points in Scrabble
noun massive powerful herbivorous odd-toed ungulate of southeast Asia and Africa having very thick skin and one or two horns on the snout
originFrom Latin rhīnocerōs, from Ancient Greek ῥῑνόκερως (rhīnókerōs, “nose-horned”), composed of ῥῑ́ς, ῥῑνός (rhī́s, rhīnós, “nose, of (the) nose”) + κέρας (kéras, “horn”).
Etymology from Wiktionary, CC BY-SA 3.0