9 letters · 14 points in Scrabble
noun a musical organization consisting of a group of instrumentalists including string players
noun seating on the main floor in a theater
originBorrowed from Latin orchēstra, borrowed from Ancient Greek ὀρχήστρα (orkhḗstra), from ὀρχέομαι (orkhéomai, “to dance”) + -τρᾰ (-tră, “a suffix used to form instrument nouns (pl.)”).
Etymology from Wiktionary, CC BY-SA 3.0