Dictionary.com

sonobuoy

[ son-uh-boo-e, -boi ]
/ ˈsɒn əˌbu ɛ, -ˌbɔɪ /
Save This Word!

noun Navigation.

a buoy that emits a radio signal on receiving an underwater signal from a vessel.

QUIZZES

QUIZ YOURSELF ON "WAS" VS. "WERE"!

Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of sonobuoy

First recorded in 1940–45; sono- + buoy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for sonobuoy

sonobuoy
/ (ˈsəʊnəˌbɔɪ) /

noun

a buoy equipped to detect underwater noises and transmit them by radio

Word Origin for sonobuoy

from sonic + buoy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK