acoustic_buoy
1. [ noun ] (nautical) a buoy that can be heard (at night)
Related terms: buoy whistle_buoy bell_buoy
Similar spelling:   acoustically
  acoustic_wave
  acoustical
  acoustic_power
  acoustic_nerve
  acoustic_modem
  acoustician
  acoustic_meatus
  acoustic_guitar
  acoustic_device
  acoustic_storage
  acoustic_aphasia
  acousticophobia