In'vo-cā'tion, n.

n. [Lat. invocatio, Fr. invocation, Pr. invocacio, evocatio, Sp. invocacion, It. invocazione.]

1. The act of addressing in prayer. Hooker.
2. The form or act of calling for the assistance or presence of any being, particularly of some divinity; as, the invocation of the Muses.

The whole poem is a prayer to Fortune, and the invocation is divided between the two deities. Addison. 3. (Law.) A call or summons; especially, a judicial call, demand, or order; as, the invocation of papers or evidence into a court.