1. Definition: 1. neckwear consisting of a long narrow piece of material worn (mostly by men) under a collar and tied in knot at the front; "he stood in front of the mirror tightening his necktie"; "he wore a vest and tie"

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1. Definition: 1. of trade unions; "the union movement"; "union negotiations"; "a union-shop clause in the contract"

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1. Definition: 1. an interruption of normal activity

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1. Definition: 1. joint made by overlapping two ends and joining them together

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1. Definition: 1. a fastener that serves to join or connect; "the walls are held together with metal links placed in the wet mortar during construction"

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1. Definition: 1. join or combine; "We merged our resources"

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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. tending to come together from different directions

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