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| ter·gum [ túrgəm ] (plural ter·ga [ túrgə ]) |
noun |
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| Definition: |
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plate covering arthropod body segment: a thick plate covering the dorsal surface of a body segment of an arthropod, or the movable segments of a barnacle's shell
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| [Early 19th century. < Latin, "back"] |
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 ter·gal adjective |
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