English Reference
noun

orchestra

n.
US /ˈɔɹkəstɹə/ UK /ˈɔːkɛstɹɐ/ or·ches·tra UK spelling orchestra's, orchestra's

  1. 01 B1 Intermediate Music

    a large group of people who play instruments together, usually including violins, flutes, and drums.

    a large ensemble of musicians playing various instruments, typically including strings, woodwinds, brass, and percussion.

    Simple

    The orchestra practiced for weeks before their big concert at the town hall.

    In context

    The conductor led the orchestra through a demanding repertoire that showcased the technical precision of the woodwind section.

  2. 02 B2 Upper Intermediate Theatre

    the area in a theatre, usually in front of and below the stage, where the musicians sit.

    the designated space in a theatre or concert hall where the musicians perform, often situated in a pit below stage level.

    Simple

    From our seats in the balcony, we could look down into the orchestra.

    In context

    The acoustics of the newly renovated orchestra were designed to project sound clearly even to the furthest rows of the gallery.

    pitorchestra pit
  3. 03 C2 Proficiency TechnicalAcademic Theatre

    the circular or semicircular space in an ancient Greek theatre where the singers and dancers performed.

    the circular or semicircular space in front of the proscenium in an ancient Greek theatre, primarily used by the chorus.

    Simple

    In ancient Greece, the chorus performed their dances in the orchestra.

    In context

    Archaeological excavations revealed that the orchestra of the Hellenistic theatre was originally paved with decorative marble.

The Copland got off to an uneven start, the orchestra never quite capturing the mystery of the open prairie, though at full-throttle they certainly caught its majesty.

The Guardian· 18 Aug 2026

By National Youth Orchestra standards, this Proms appearance – the all-guns-blazing finale of the cohort’s year together – was positively straight-laced.

The Guardian· 9 Aug 2026

Via Latin orchēstra, itself lifted from Ancient Greek ὀρχήστρα (orkhḗstra), the space where dancers moved in the Greek theatre; the noun is formed from the verb ὀρχέομαι, "to dance".

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Ancient Greek ὀρχήστρα
Level B2 · Upper Intermediate
Frequency Common
Updated