concert

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Music A performance given by one or more singers or instrumentalists or both.
2. n. Agreement in purpose, feeling, or action.
3. n. Unity achieved by mutual communication of views, ideas, and opinions: acted in concert on the issue.
4. n. Concerted action: "One feels between them an accumulation of gentleness and strength, a concert of energies” ( Vanity Fair).
5. v. To plan or arrange by mutual agreement.
6. v. To adjust; settle.
7. v. To act together in harmony.

Century Dictionary and Cyclopedia

1. To contrive and arrange mutually; construct or adjust, as a plan or system to be pursued, by conference or agreement.
2. To plan; devise.
3. In music, to arrange (a piece of music) for several voices or instruments.
4. [From the noun concert.] To sing in concert.
5. To act in concert: with with.
6. n. Agreement of two or more in a design or plan; combination formed by mutual communication of opinions and views; accordance in a scheme or enterprise; harmony.
7. n. In music: A set of instruments of the same kind, but of different sizes: as, a concert of viols. Also consort.
8. n. A public performance of music in which several singers or instrumentalists, or both, participate; especially, one in which the program consists of detached numbers: also applied to the performance of an oratorio, but not of an opera.
9. n. The harmonious combination of two or more voices or instruments.
10. n. A concerto.

Wiktionary

1. v. To plan together; to settle or adjust by conference, agreement, or consultation.
2. v. To plan; to devise; to arrange.
3. v. To act in harmony or conjunction; to form combined plans.
4. n. uncountable Agreement in a design or plan; union formed by mutual communication of opinions and views; accordance in a scheme; harmony; simultaneous action.
5. n. uncountable Musical accordance or harmony; concord.
6. n. countable A musical entertainment in which several voices or instruments take part.

GNU Webster's 1913

1. v. To plan together; to settle or adjust by conference, agreement, or consultation.
2. v. To plan; to devise; to arrange.
3. v. To act in harmony or conjunction; to form combined plans.
4. n. Agreement in a design or plan; union formed by mutual communication of opinions and views; accordance in a scheme; harmony; simultaneous action.
5. n. Musical accordance or harmony; concord.
6. n. A musical entertainment in which several voices or instruments take part.

WordNet 3.0

1. v. contrive (a plan) by mutual agreement
2. n. a performance of music by players or singers not involving theatrical staging
3. v. settle by agreement