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Joint


/joint/

Noun, pl. joints

1. The location at which two or more bones connect. They are constructed to allow movement (except for skull bones) and provide mechanical support, and are classified structurally and functionally. (wikipedia.org)

2. A point of articulation between two or more bones, especially such a connection that allows motion. (thefreedictionary.com)

3. A point in the exoskeleton of an invertebrate at which movable parts join, as along the leg of an arthropod. (thefreedictionary.com)

4. (Botany) An articulation on a fruit or stem, such as the node of a grass stem. (thefreedictionary.com)

5. (Geology) A fracture or crack in a rock mass along which no appreciable movement has occurred. (thefreedictionary.com)

Word origin: From Old French joint “joint of the body” (12c.), from Latin iunctus “united, connected, associated,” past participle of iungere “join”


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