The Collaborative International Dictionary of English v.0.48:
Concubinary \Con*cu"bi*na*ry\, a. [LL. concubinarius.] Relating to concubinage; living in concubinage. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Concubinary \Con*cu"bi*na*ry\, n.; pl. Concubinaries. One who lives in concubinage. --Jer. Taylor. [1913 Webster]