D defs.my
Entry 1 sense Webster, 1913

Contubernal

/(kŏn*tū"bẽr*nal)/ · Con·tu·ber·nal · IPA
01 a. Living or messing together; familiar; in companionship.
  1. 1.
    Living or messing together; familiar; in companionship.
    “Humble folk ben Christes friends: they ben contubernial with the Lord, thy King.” Chaucer.