Slate \Slate\, v. t. [imp. & p. p. {Slated}; p. pr. & vb. n. {Slating}.] 1. To cover with slate, or with a substance resembling slate; as, to slate a roof; to slate a globe. [1913 Webster] 2. To register (as on a slate and subject to revision), for an appointment. [Polit. Cant] [1913 Webster]