6 letters · 8 points in Scrabble
noun a toxic alkaloid found in certain tropical South American trees that is a powerful relaxant for striated muscles
originFrom a Cariban language; compare Kari'na urari, Trió urari, wïrari, Akawaio urari, Pemon urari, Macushi urari, referring to various vines of genus Strychnos.
Etymology from Wiktionary, CC BY-SA 3.0