obsecration
Ob"se*cra"tion, n. Etym: [L. obsecratio: cf. F. obsecration.] 1. The act of obsecrating or imploring; as, the obsecrations of the Litany, being those clauses beginning with "By." Bp. Stillingfeet. Shipley. 2. (Rhet.) Defn: A figure of speech in which the orator implores the assistance of God or man.