a musical composition for three voices or instruments.
a company of three singers or players.
any group of three persons or things.
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).
Origin of trio
1715–25; <Italian, equivalent to tri-tri- + (du)otwo
According to new research, as the stellar trio move in their complicated paths, their gravities tug on the gas around and between them.
A strange dusty disk could hide a planet betwixt three stars|Paola Rosa-Aquino|September 11, 2020|Popular Science
Last week in Nature, however, a trio of scientists working at McGill University announced their discovery of how the essential endosymbiosis in carpenter ants evolved and helped them become some of the most successful creatures on the planet.
How Two Became One: Origins of a Mysterious Symbiosis Found|Viviane Callier|September 9, 2020|Quanta Magazine
In one of the most complex cosmic dances astronomers have yet spotted, three rings of gas and dust circle a trio of stars.
A weirdly warped planet-forming disk circles a distant trio of stars|Lisa Grossman|September 3, 2020|Science News
Now, a trio of mathematicians has resolved one of the most basic questions about the dodecahedron.
Mathematicians Report New Discovery About the Dodecahedron|Erica Klarreich|August 31, 2020|Quanta Magazine
The trio formed the Sad Boys collective, with Sherm and Gud on production and Lean manning the mic.
The Cult of Yung Lean: ‘I’m Building An Anarchistic Society From the Ground Up’|Marlow Stern|January 4, 2015|DAILY BEAST
On Wednesday afternoon, the trio turned themselves in to the police.
The Monuments Men of Occupy Hong Kong|Brendon Hong|December 4, 2014|DAILY BEAST
Additionally, the so-called DDG-1000 can also carry either a pair of helicopters or a single helicopter and a trio of drones.
Can the Navy's $12 Billion Stealth Destroyer Stay Afloat?|Dave Majumdar|October 22, 2014|DAILY BEAST
Now, the actress is back with a trio of standout performances in indie films.
The Resurrection of Kristen Stewart|Marlow Stern|October 11, 2014|DAILY BEAST
Rivers herself was the hardest-working person in Hollywood the trio said.
Melissa Rivers: Life After Joan—A Funny, Moving Celebration on a Special 'Fashion Police'|Tim Teeman|September 20, 2014|DAILY BEAST
Then he shifted his gaze to the trio, eying them in a silence which was broken by Mr. Braden.
The Land of Strong Men|Arthur M. Chisholm
A misunderstanding between the trio resulted in the withdrawal of the two medical men before the structure was completed.
Florida: Past and present|Samuel Curtis Upham
Slightly to one side, the sleek line of a British cruiser was visible, and beyond it a trio of lean, wolfish destroyers.
The Caves of Fear|John Blaine
To her great satisfaction, Mabel was bracketed with her for the same day, and Dora Maxwell completed the trio.
A Fourth Form Friendship|Angela Brazil
Madame Schumann played finely in Mendelssohn's quintet, and a trio of Beethoven's.
George Eliot's Life, Vol. III (of 3)|George Eliot
British Dictionary definitions for trio
trio
/ (ˈtriːəʊ) /
nounpluraltrios
a group of three people or things
music
a group of three singers or instrumentalists or a piece of music composed for such a group
a subordinate section in a scherzo, minuet, etc, that is contrastive in style and often in a related key
piquetthree cards of the same rank
Word Origin for trio
C18: from Italian, ultimately from Latin trēs three; compare duo