The word sound may have several meanings:

• Physical compressions through a medium: sound
  • Audible compression waves, as used in music
  • A speech sound or a phone, in phonetics
  • The Swedish rock band The sounds
• A urethral sound, which is a medical instrument used for dilating the urethra.
• The geographical term, sound, a large ocean inlet, or a narrow ocean channel between two bodies of land
  • The specific strait called the Sound