noun
trio
TREE-oh
noun
1
A group of three people or things.
"The trio of friends traveled across Europe together."
2
A group of three musicians, or a piece written for three performers.
"The jazz trio played until midnight."
How to Use Trio
Learner’s notesIn plain EnglishAny set of three — people, musicians, or things — grouped together.
Word Forms
trios plural
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The _____ of friends traveled across Europe together.
Etymology
Borrowed from Italian trio in the early 18th century.