Source : Webster's Revised Unabridged Dictionary (1913)

Marena \Ma*re"na\, n. [NL. Salmo maraena, G. mar["a]ne,
   mor["a]ne; -- so called from Lake Morin, in the March of
   Brandenburg, in Prussia.] (Zo["o]l.)
   A European whitefish of the genus {Coregonus}.