·noun One who, or that which, decks or adorns; a coverer; as, a table decker.
II. Decker ·noun A vessel which has a deck or decks;
— used ·esp. in composition; as, a single-decker; a three-decker.
·noun A man-of-war having two gun decks. II. Double-decker ·add. ·noun A biplane aeroplane or kite....
Webster's Dictionary of the English Language
·noun A vessel of war carrying guns on three decks. ...
·noun A vessel of war carrying guns on two decks. ...