Webster’s Revised Unabridged Dictionary · 1913
Conventual
Con·ven′tu·al, a. [LL. conventualis: cf. F. conventuel.] Of or pertaining to a convent; monastic. "A conventual garb." Macaulay.
Conventual church, a church attached or belonging to a convent or monastery. Wordsworth.
Con·ven′tu·al, n. One who lives in a convent; a monk or nun; a recluse. Addison.