1) Arena 1) Yard 
A tiltyard (or tilt yard or tilt-yard) was an enclosed courtyard for jousting. Tiltyards were a common feature of Tudor era castles and palaces. The Horse Guards Parade in London was formerly the tiltyard constructed by Henry VIII as an entertainment venue adjacent to Whitehall Palace; it was the site of the Accession Day tilts in the reigns of El...
[n] - (formerly) an enclosed field for tilting contests
noun (formerly) an enclosed field for tilting contests
Area where jousting took place.