(1):

(v. t.) To address in prayer; to entreat as a supplicant; as, to supplicate the Deity.

(2):

(v. i.) To make petition with earnestness and submission; to implore.

(3):

(v. t.) To entreat for; to seek by earnest prayer; to ask for earnestly and humbly; as, to supplicate blessings on Christian efforts to spread the gospel.