sonobuoy

noun
so·no·buoy | \ˈsä-nə-ˌbȯi, -ˌbü-ē\

Definition of sonobuoy 

: a buoy equipped for detecting underwater sounds and transmitting them by radio

Examples of sonobuoy in a Sentence

Recent Examples on the Web

In addition the Trackers were armed with sonobuoys, droppable listening posts that radio any contacts back to the plane. sandiegouniontribune.com, "May 13, 1958: Aboard the Nautilus," 13 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sonobuoy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of sonobuoy

1937, in the meaning defined above

Keep scrolling for more

Learn More about sonobuoy

Statistics for sonobuoy

Look-up Popularity

Time Traveler for sonobuoy

The first known use of sonobuoy was in 1937

See more words from the same year

More from Merriam-Webster on sonobuoy

See words that rhyme with sonobuoy

Britannica.com: Encyclopedia article about sonobuoy

Comments on sonobuoy

What made you want to look up sonobuoy? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

one that holds something together

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!