- the act of invoking or calling upon a deity, spirit, etc., foraid, protection, inspiration, or the like; supplication.
- any petitioning or supplication for help or aid.
- a form of prayer invoking God’s presence, especially ones aid at the beginning of a religious service or public ceremony.
- an entreaty for aid and guidance from a Muse, deity, etc., at the beginning of an epic or epic-like poem.*