Catalan \Cat"a*lan\, a. Of or pertaining to Catalonia. -- n. A native or inhabitant of Catalonia; also, the language of Catalonia.

Catalan furnace, Catalan forge (Metal.), a kind of furnace for producing wrought iron directly from the ore. It was formerly much used, esp. in Catalonia, and is still used in some parts of the United States and elsewhere.

Source: Webster's Revised Unabridged Dictionary (1913)