n. The act of supplicating or entreating; humble and earnest petition or prayer.n. Petition; earnest or humble request.n. In ancient Rome, a solemnization, or ceremonial address to the gods, decreed either on occasions of victory or in times of public danger or distress.n. In the Roman Catholic and Anglican litanies, one of the petitions containing a request to God for some special benefit, as distinguished from invocations and prayers for deliverance from evil (deprecations and obsecrations).n. Synonyms and Suit, Entreaty, etc. See prayer.