Definitions of boom:

  • noun:   any of various more-or-less horizontal spars or poles used to extend the foot of a sail or for handling cargo or in mooring
  • noun:   a pole carrying an overhead microphone projected over a film or tv set
  • noun:   a deep prolonged loud noise
  • noun:   a sudden happening that brings good fortune (as a sudden opportunity to make money)
    Example: "The demand for testing has created a boom for those unregulated laboratories where boxes of specimen jars are processed lik an assembly line"
  • noun:   a state of economic prosperity
  • verb:   make a deep hollow sound
    Example: "Her voice booms out the words of the song"
  • verb:   make a resonant sound, like artillery
    Example: "His deep voice boomed through the hall"
  • verb:   grow stronger
    Example: "The economy was booming"
  • verb:   be the case that thunder is being heard
  • verb:   hit hard
  • name:  A surname (very rare: popularity rank in the U.S.: #27963)