The Collaborative International Dictionary of English v.0.48:

Tilt \Tilt\, v. t. [imp. & p. p. Tilted; p. pr. & vb. n.
   Tilting.]
   To cover with a tilt, or awning.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Tilting \Tilt"ing\, n.
   1. The act of one who tilts; a tilt.
      [1913 Webster]

   2. The process by which blister steel is rendered ductile by
      being forged with a tilt hammer.
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   Tilting helmet, a helmet of large size and unusual weight
      and strength, worn at tilts.
      [1913 Webster]