1. Definition: 1. a set of three similar things considered as a unit

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1. Definition: 1. a vehicle mounted on runners and pulled by horses or dogs; for transportation over snow

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1. Definition: 1. a three-note major or minor chord; a note and its third and fifth tones

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1. Definition: 1. a base hit at which the batter stops safely at third base

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1. Definition: 1. a musical composition written for six performers

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1. Definition: 1. a set of seven similar things considered as a unit

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1. Definition: 1. a stand with short feet used under a hot dish on a table

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1. Definition: 1. an architectural ornament in the form of three arcs arranged in a circle

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1. Definition: 1. the cardinal number that is the sum of one and one and one

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1. Definition: 1. five performers or singers who perform together

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1. Definition: 1. a set of three literary or dramatic works related in subject or theme

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1. Definition: 1. a spear with three prongs

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1. Definition: 1. the working together of two things (muscles or drugs for example) to produce an effect greater than the sum of their individual effects

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1. Definition: 1. a musical composition for four performers

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1. Definition: 1. three people considered as a unit

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1. Definition: 1. a set of three similar things considered as a unit

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1. Definition: 1. clover native to Ireland with yellowish flowers; often considered the true or original shamrock

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1. Definition: 1. a percussion instrument consisting of a metal bar bent in the shape of an open triangle

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1. Definition: 1. art consisting of a painting or carving (especially an altarpiece) on three panels (usually hinged together)

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1. Definition: 1. cooperative work done by a team (especially when it is effective); "it will take money, good planning and, above all, teamwork"

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1. Definition: 1. one of three divisions of an academic year

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1. Definition: 1. three people considered as a unit

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1. Definition: 1. the relation between two different species of organisms that are interdependent; each gains benefits from the other

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1. Definition: 1. a union of interests or purposes or sympathies among members of a group

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