<p><strong>Noun</strong></p><ul><li>The sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium.</li><li>Mechanical vibrations transmitted through an elastic medium, traveling in air at a speed of approximately 1,087 feet (331 meters) per second at sea level.</li><li>The particular auditory effect produced by a given cause: the sound of music.</li><li>Any auditory effect; any audible vibrational disturbance: all kinds of sounds.</li><li>A noise, vocal utterance, musical tone, or the like: the sounds from the next room.</li><li>A distinctive, characteristic, or recognizable musical style, as from a particular performer, orchestra, or type of arrangement: the big-band sound.</li><li>Phonetics: speech sound.</li><li>The audible result of an utterance or portion of an utterance: the sound of m in “mere.”</li><li>The auditory effect of sound waves as transmitted or recorded by a particular system of sound reproduction: the sound of a stereophonic recording.</li><li>The quality of an event, letter, etc., as it affects a person: This report has a bad sound.</li><li>Mere noise, without meaning: all sound and fury.</li><li>Archaic: a report or rumor; news; tidings.</li></ul><p><strong>Verb</strong></p><ul><li>(used without object) To make or emit a sound.</li><li>To give forth a sound as a call or summons: The bugle sounded as the troops advanced.</li><li>To be heard, as a sound.</li><li>To convey a certain impression when heard or read: to sound strange.</li><li>To give a specific sound: to sound loud.</li><li>To give the appearance of being; seem: The report sounds true.</li><li>(used with object) To cause to make or emit a sound: to sound a bell.</li><li>To give forth (a sound): The oboe sounded an A.</li><li>To announce, order, or direct by or as by a sound: His speech sounded a warning to aggressor nations.</li><li>To utter audibly, pronounce, or express: to sound each letter.</li><li>To examine by percussion or auscultation: to sound a patient's chest.</li><li>Informal: to call out one's name, as at military roll call.</li><li>To speak freely or frankly, especially to complain in such a manner.</li><li>To exaggerate; boast: Has he been sounding off about his golf game again?</li></ul>