cho·rus (kôr'əs, kōr'-)
n., pl., -rus·es.

1. Music.
   1. A composition usually in four or more parts written for a large number of singers.
   2. A refrain in which others, such as audience members, join a soloist in a song.
   3. A line or group of lines repeated at intervals in a song.
   4. A solo section based on the main melody of a popular song and played by a member of the group.
   5. A body of singers who perform choral compositions, usually having more than one singer for each part.
   6. A body of vocalists and dancers who support the soloists and leading performers in operas, musical comedies, and revues.
2. 1. A group of persons who speak or sing in unison a given part or composition in drama or poetry recitation.
   2. An actor in Elizabethan drama who recites the prologue and epilogue to a play and sometimes comments on the action.
3. 1. A group of masked dancers who performed ceremonial songs at religious festivals in early Greek times.
   2. The group in a classical Greek drama whose songs and dances present an exposition of or, in later tradition, a disengaged commentary on the action.
   3. The portion of a classical Greek drama consisting of choric dance and song.
4. A group or performer in a modern drama serving a purpose similar to the Greek chorus.
5. The performers of a choral ode, especially a Pindaric ode.
6. 1. A speech, song, or other utterance made in concert by many people.
   2. A simultaneous utterance by a number of people: a chorus of jeers from the bystanders.
   3. The sounds so made.

tr. & intr.v., -rused, or -russed, -rus·ing, or -rus·sing, -rus·es, or -rus·ses.
To sing or utter in or as if in chorus.

idiom:

in chorus

1. All together; in unison.

[Latin, choral dance, from Greek khoros.]

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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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