CULTUS
cult, cultus, religious cult
(noun) a system of religious beliefs and rituals; “devoted to the cultus of the Blessed Virgin”
Source: WordNet® 3.1
Etymology
Noun
cultus (plural cultuses)
Established or accepted religious rites or customs of worship; state of religious development.
Source: Wiktionary
Cul"tus (kl"ts), n. sing. & pl.; E. pl.Cultuses (-. Etym: [L.,
cultivation, culture. See Cult.]
Definition: Established or accepted religious rites or usages of worship;
state of religious development. Cf.Cult, 2.
Source: Webster’s Unabridged Dictionary 1913 Edition