bĭ-mărītus, i, m. [bis],
the husband of two wives (a word coined by Laterensis, the accuser of Plancius): bimaritum appellas, ut verba etiam fingas, Cic. Planc. 12, 30; and besides only in Hier. adv. Jovin. 1, n. 49.
bi-marītus ī, m the husband of two wives, a bigamist (once). ...
An Elementary Latin Dictionary