Definition of slate

• v. t. - An argillaceous rock which readily splits into thin plates; argillite; argillaceous schist.
• v. t. - Any rock or stone having a slaty structure.
• v. t. - A prepared piece of such stone.
• v. t. - A thin, flat piece, for roofing or covering houses, etc.
• v. t. - A tablet for writing upon.
• v. t. - An artificial material, resembling slate, and used for the above purposes.
• v. t. - A thin plate of any material; a flake.
• v. t. - A list of candidates, prepared for nomination or for election; a list of candidates, or a programme of action, devised beforehand.
• v. t. - To cover with slate, or with a substance resembling slate; as, to slate a roof; to slate a globe.
• v. t. - To register (as on a slate and subject to revision), for an appointment.
• v. t. - To set a dog upon; to bait; to slat. See 2d Slat, 3.