S / supplĭcāmentum
noun

supplĭcāmentum

gen. supplĭcāmenti · gender neuter · decl. 2nd
(), , supplico
a public prayer; religious ceremony
a public prayer, religious ceremony (syn. supplicatio; post-class.), App. M. 11, p. 266, 25; 11, p. 267, 34; Arn. 7, 285 (7, 21 Orell.).