Source : Webster's Revised Unabridged Dictionary (1913)

Shirt \Shirt\, v. t. & i. [imp. & p. p. {Shirted}; p. pr. & vb.
   n. {Shirting}.]
   To cover or clothe with a shirt, or as with a shirt.
   --Dryden.

Shirting \Shirt"ing\, n.
   Cloth, specifically cotton cloth, suitable for making shirts.

Source : WordNet®

shirting
     n : any of various fabrics used to make men's shirts