The Collaborative International Dictionary
Contubernial
Contubernal \Con*tu"ber*nal\, Contubernial \Con`tu*ber"ni*al\, a. [L. contubernalis a tent companion, fr. contubernium tent companionship.] Living or messing together; familiar; in companionship.
Humble folk ben Christes friends: they ben contubernial
with the Lord, thy King.
--Chaucer.
Wiktionary
contubernial
a. contubernal