<p><strong>Noun</strong></p><ul><li>a slight, sharp sound: At the click of the latch, the dog barked.</li><li>a small device for preventing backward movement of a mechanism, as a detent or pawl.</li><li>Phonetics: any one of a variety of ingressive, usually implosive, speech sounds, phonemic in some languages, produced by suction occlusion and plosive or affricative release.</li><li>any one of a variety of familiar sounds used in calling or urging on horses or other animals, in expressing reprimand or sympathy, or produced in audible kissing.</li><li>Computers: the act of rapidly depressing and releasing a button on a mouse or other input device, usually the left-hand button, as to select an icon.</li></ul><p><strong>Verb</strong></p><ul><li>(used without object) to emit or make a slight, sharp sound, or series of such sounds, as by the cocking of a pistol: The door clicked shut.</li><li>Informal: to succeed; make a hit: If the play clicks, the producer will be rich.</li><li>to fit together; function well together: They get along in public, but their personalities don't really click.</li><li>to become intelligible.</li><li>Computers: to rapidly depress and release one of the buttons on a mouse or other input device, usually the left-hand button: Just click on the link to get to the site.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to cause to click.</li><li>to strike together with a click: He clicked his heels and saluted.</li><li>Computers: to select (a screen object) by rapidly depressing and releasing one of the buttons on a mouse or other input device, usually the left-hand button: Click “OK” to continue.</li><li>to rapidly depress and release (a button on a mouse or other input device): Click the trackpad button once.</li></ul>