Definition of concert

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