a. Resembling a fen, marshy.

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1561.  Daus, trans. Bullinger on Apoc. (1573), 225 b. By their complaintes, accusations, writings and disputations altogether froggelyke and fenlyke, they be hatefull both to God and men.

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1660.  Howell, Lexicon, Fennie, fen-like: Marescageux, palustre.

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