troika
troi-ka
noun
A Russian carriage or sleigh drawn by three horses harnessed abreast.
"A traditional troika raced through the snow."
noun
A group of three people, countries, or organisations working together.
"The EU troika oversaw the bailout package."
Thesaurus
Synonyms: threesome, triplet, tercet, three, deuce-ace, trinity, III, triad, tierce, trine, 3, ternary