The Collaborative International Dictionary of English v.0.48:

Tailor \Tai"lor\, v. i. [imp. & p. p. Tailored; p. pr. & vb.
   n. Tailoring.]
   To practice making men's clothes; to follow the business of a
   tailor.
   [1913 Webster]

         These tailoring artists for our lays
         Invent cramped rules.                    --M. Green.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Tailoring \Tai"lor*ing\, adv.
   The business or the work of a tailor or a tailoress.
   [1913 Webster]

WordNet (r) 3.0 (2006):

tailoring
    n 1: the occupation of a tailor