Ob"se*cra"tion (?), n. [L. obsecratio: cf. F. obsecration.]
The act of obsecrating or imploring; as, the obsecrations of the Litany, being those clauses beginning with "By."
Bp. Stillingfeet. Shipley.
A figure of speech in which the orator implores the assistance of God or man.
© Webster 1913.