n. 祈祷

[ noun ]
reverent petition to a deity
<noun.communication>

Orison \Or"i*son\, n. [OF. orison, oreson, oreison, F. oraison,
fr. L. oratio speech, prayer. See {Oration}.]
A prayer; a supplication. [Poetic] --Chaucer. Shak.

Lowly they bowed, adoring, and began
Their orisons, each morning duly paid. --Milton.