- orchestra - a musical organization consisting of a group of instrumentalists including string players
--1 is a kind of musical organization, musical organisation, musical group
--1 has part: section
--1 has particulars:chamber orchestra; string orchestra; symphony orchestra, symphony Derived form: verb orchestrate1 - orchestra - seating on the main floor in a theater
--2 is a kind of seating, seats, seating room, seating area
--2 is a part of theater, theatre, house