to slat on, to dash against, or cast on any thing: to slate the dog at any one. N.
·vt A tablet for writing upon. II. Slate ·vt A prepared piece of such stone. III. Slate ·vt A thin...
Webster's Dictionary of the English Language
A sheet. CANT. ...
Dictionary of The Vulgar Tongue by Francis Grose
·- A dark bluish gray color. ...
·adj Of a dark gray, like slate. ...