The Collaborative International Dictionary of English v.0.48:

Marron \Mar*ron"\, n. [See Maroon, a.]
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   1. A large chestnut. [Obs.] --Holland.
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   2. A chestnut color; maroon.
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   3. (Pyrotechny & Mil.) A paper or pasteboard box or shell,
      wound about with strong twine, filled with an explosive,
      and ignited with a fuse, -- used to make a noise like a
      cannon. [Written also maroon.]
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