trio
Americannoun
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a musical composition for three voices or instruments.
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a company of three singers or players.
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any group of three persons or things.
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a subordinate division of a minuet, scherzo, march, etc., usually in a contrasted key and style (perhaps originally written for three instruments or in three parts).
noun
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a group of three people or things
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music
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a group of three singers or instrumentalists or a piece of music composed for such a group
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a subordinate section in a scherzo, minuet, etc, that is contrastive in style and often in a related key
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piquet three cards of the same rank
Other Word Forms
Noun Inflected Forms
Etymology
Origin of trio
Explanation
Whether it’s birds, opera singers, aces, or golfers, you can use the word trio to refer to anything made up of three. You can probably tell by tri- that trio involves three of something. It’s often used to describe a musical arrangement featuring three vocal parts or three different instruments, or a musical group made up of three players, such as a jazz trio consisting of a piano player, a bass player, and a drummer. For those not musically inclined, the word can be used more broadly to refer to three of anything, such as a trio of friends.
Vocabulary lists containing trio
Music - Introductory
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Music - Middle School
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Music - High School
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
So far this year, the trio has delivered 550,572 cars, up about 7% year over year.
From Barron's • Jul. 1, 2026
Music: A trio of violin, string bass and accordion played Presley’s No. 1 hit “Love Me Tender”
From The Wall Street Journal • Jun. 28, 2026
That trio have been superb players and ambassadors for the game.
From BBC • Jun. 27, 2026
If you’re down for films that are both terrifying and artful, we have a horror trio: Obsession, Backrooms, and Leviticus.
From Slate • Jun. 26, 2026
Within this formidable trio, it makes most sense to start with Madison.
From "Founding Brothers: The Revolutionary Generation" by Joseph J. Ellis
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
