1 [oh-boh]
a woodwind instrument having a slender conical, tubular body and a double-reed mouthpiece.
(in an organ) a reed stop with a sound like that of an oboe.
(a word formerly used in communications to represent the letter O. )

1690–1700; < Italian < French hautbois, equivalent to haut high + bois wood; see hautboy

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2 [oh-boh]
noun (sometimes initial capital letter)
a navigation system utilizing two radar ground stations that measure the distance to an aircraft and then radio the information to the aircraft.

1940–45; special use of oboe1

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
oboe (ˈəʊbəʊ)
1.  a woodwind instrument of the family that includes the bassoon and cor anglais, consisting of a conical tube fitted with a mouthpiece having a double reed. It has a penetrating nasal tone. Range: about two octaves plus a sixth upwards from B flat below middle C
2.  a person who plays this instrument in an orchestra: second oboe
[C18: via Italian oboe, phonetic approximation to French haut bois, literally: high wood (referring to its pitch)]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

1724, from It. oboe, from M.Fr. hautbois (itself borrowed in Eng. 16c. as hautboy), from haut "high" + bois "wood" (see bush). So called because it had the highest register among woodwind instruments.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Cultural Dictionary

oboe definition

A woodwind instrument played with a double reed; similar to a bassoon, but pitched higher. Some describe its tone as nasal.

Note: The oboe appears frequently as a solo instrument in symphonies and other kinds of classical music.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Computing Dictionary

OBOE definition

Object-code Buffer Overrun Evaluator

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
For many years he played the oboe, though never professionally.
Next to him is a figure playing a soprano or treble shawm, a distant forerunner of the oboe.
He enjoyed playing the saxophone and oboe during high school and now during college.
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