<p><strong>Noun:</strong></p><ul><li>A person or thing that breaks.</li><li>A wave that breaks or dashes into foam.</li><li>A person who indicates a wish to transmit a message, as by breaking in on a channel.</li><li>A strip of fabric under the tread of a pneumatic tire casing, designed to protect the carcass.</li><li>A machine that separates the fiber from foreign matter in preparation for the carding process.</li><li>A plow with a long, low moldboard for turning virgin land.</li><li>A building where coal delivered from a mine is broken up and sorted.</li><li>A machine that reduces large lumps of coal or ore to a size that can be accommodated by a conveyor belt.</li><li>A break dancer.</li></ul><p><strong>Interjection:</strong></p><ul><li>(Used to announce that a person is about to transmit a message or question on a channel, especially one already in use.)</li></ul>