ADJECTIVE (2)

1. (of sound) set to a certain pitch or key; usually used as a combining form;
- Example: "high-pitched"

2. set at a slant;
- Example: "a pitched rather than a flat roof"

The Collaborative International Dictionary of English v.0.48:

Pitch \Pitch\, v. t. [imp. & p. p. Pitched; p. pr. & vb. n.
   Pitching.] [See Pitch, n.]
   1. To cover over or smear with pitch. --Gen. vi. 14.
      [1913 Webster]

   2. Fig.: To darken; to blacken; to obscure.
      [1913 Webster]

            The welkin pitched with sullen could. --Addison.
      [1913 Webster]

WordNet (r) 3.0 (2006):

pitched
    adj 1: (of sound) set to a certain pitch or key; usually used as
           a combining form; "high-pitched"
    2: set at a slant; "a pitched rather than a flat roof"