<p><strong>Noun</strong></p><ul><li>A public musical performance in which a number of singers or instrumentalists, or both, participate.</li><li>A public performance, usually by an individual singer, instrumentalist, or the like; recital: The violinist has given concerts all over the world.</li><li>Agreement of two or more individuals in a design or plan; combined action; accord or harmony: His plan was greeted with a concert of abuse.</li></ul><p><strong>Adjective</strong></p><ul><li>Designed or intended for concerts: concert hall.</li><li>Performed at concerts: concert music.</li><li>Performing or capable of performing at concerts: a concert pianist.</li></ul><p><strong>Verb</strong></p><ul><li>(Used with object) To contrive or arrange by agreement: They were able to concert a settlement of their differences.</li><li>To plan; devise: A program of action was concerted at the meeting.</li><li>(Used without object) To plan or act together.</li></ul>