1. (n.) The act of obsecrating or imploring; as, the obsecrations of the Litany, being those clauses beginning with By.

2. (n.) A figure of speech in which the orator implores the assistance of God or man.

Angelus bell Ave Ave Maria Hail Mary Kyrie Eleison Paternoster aid prayer alarm alarum appeal battle cry beadroll beads beseechment bidding prayer birdcall breviary bugle call call chaplet collect communion contemplation devotions entreaty grace impetration imploration intercession invocation last post litany meditation moose call obsecration obtestation orison petition prayer prayer wheel rallying cry rebel yell reveille rogation rosary silent prayer suit summons supplication taps thanks thanksgiving trumpet call war cry whistle