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Definition of trombone
trombone
/trɑːmˈboʊn/
trom · bone
Plural:trombones
trombone Lexical Profile
CEFR
B1
Grade
4
Tier
2
Usage
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• noun
1
A large brass wind instrument consisting of a long cylindrical metal tube with two turns and a flaring bell, typically featuring a movable U-shaped slide used to alter the pitch.
Example
"He practiced playing the trombone every afternoon in preparation for the jazz band concert."
Synonyms
View all synonyms for trombone• Rhymes for trombone
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Word Origin & Etymology
From Italian 'trombone', meaning 'large trumpet', derived from 'tromba' (trumpet) combined with the augmentative suffix '-one'.
Cite this Entry
Wordmom. (2026). Definition of Trombone. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/trombone