Emily Dickinson Lexicon

SUP-PLI-CA'TION, n. [Fr. from L. supplicatio.]

1. Entreaty; humble and earnest prayer in worship. In all our supplications to the Father of mercies, let us remember a world lying in ignorance and wickedness.
2. Petition; earnest request.
3. In Roman antiquity, a religious solemnity observed in consequence of some military success. It consisted in sacrifices, feasting, offering thanks, and praying for a continuance of success. – Encyc.