Definition of sonobuoy in English:

sonobuoy

noun

  • A buoy equipped to detect underwater sounds and transmit them by radio.

    • ‘Handling sonobuoys on the deck and carrying sonobuoys on aircraft, especially helicopters, stresses the lithium-battery package.’
    • ‘The Seahawks have been dropping new sonobuoys and recording the data for the AJAAC specialists to analyse.’
    • ‘We were chasing an underwater target and having a good time, using sonobuoys before moving in for the kill with the dipping sonar.’
    • ‘The ship can be used as a testbed for a range of naval systems including sonobuoys, small towed underwater systems, electronic warfare and the development of signature control technologies.’
    • ‘The most notable niche is that of sonobuoys, which are used to detect submarines and where Ultra has a greater than 50% market share.’

Pronunciation:

sonobuoy

/ˈsänəˌbo͞oē//-ˌboi/