adv. [ Pref. a- + tilt. ] 1. In the manner of a tilter; in the position, or with the action, of one making a thrust. “To run atilt at men.” Hudibras. [ 1913 Webster ]
2. In the position of a cask tilted, or with one end raised. [ In this sense sometimes used as an adjective. ] [ 1913 Webster ]
Abroach, atilt, and run Even to the lees of honor. Beau. & Fl. [ 1913 Webster ]