trio

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.

Definitions of trio
  1. noun
    a set of three similar things considered as a unit
    synonyms: triad, triple, triplet
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    examples:
    Trimurti
    the triad of divinities of later Hinduism
    types:
    trilogy
    a set of three literary or dramatic works related in subject or theme
    trigon, triplicity
    (astrology) one of four groups of the zodiac where each group consists of three signs separated from each other by 120 degrees
    type of:
    set
    a group of things of the same kind that belong together and are so used
  2. noun
    three people considered as a unit
    synonyms: threesome, triad, trinity
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    types:
    triumvirate
    a group of three men responsible for public administration or civil authority
    troika
    a modern Russian triumvirate
    type of:
    assemblage, gathering
    a group of persons together in one place
  3. noun
    three performers or singers who perform together
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    type of:
    musical group, musical organisation, musical organization
    an organization of musicians who perform together
  4. noun
    a musical composition for three performers
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    type of:
    composition, musical composition, opus, piece, piece of music
    a musical work that has been created
  5. noun
    the cardinal number that is the sum of one and one and one
    synonyms: 3, III, deuce-ace, leash, tercet, ternary, ternion, terzetto, three, threesome, tierce, trey, triad, trine, trinity, triplet, troika
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    type of:
    digit, figure
    one of the elements that collectively form a system of numeration
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