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"

Moby Thesaurus II by Grady Ward, 1.0:

130 Moby Thesaurus words for "pitched":
   accented, alveolar, apical, apico-alveolar, apico-dental, arranged,
   articulated, aslant, aslope, assimilated, atilt, back, barytone,
   bevel, beveled, bias, biased, bilabial, broad, cacuminal, canting,
   careening, central, cerebral, checked, close, consonant,
   consonantal, continuant, coordinated, deliberate, dental,
   dissimilated, dorsal, flat, front, glide, glossal, glottal,
   guttural, hard, heavy, high, inclinational, inclinatory, inclined,
   inclining, intonated, labial, labiodental, labiovelar, lateral,
   lax, leaning, light, lingual, liquid, listing, low, mid,
   monophthongal, muted, narrow, nasal, nasalized, oblique, occlusive,
   open, organized, out of plumb, out of square, oxytone, palatal,
   palatalized, pharyngeal, pharyngealized, phonemic, phonetic,
   phonic, pitch, pitching, planned, posttonic, raking, recumbent,
   retroflex, rounded, semivowel, shelving, shelvy, sideling,
   sidelong, slant, slanted, slanting, slantways, slantwise, sloped,
   sloping, soft, sonant, stopped, stressed, strong, surd, syllabic,
   systematized, tense, thick, throaty, tilted, tilting, tipped,
   tipping, tipsy, tonal, tonic, twangy, unaccented, unrounded,
   unstressed, velar, vocalic, vocoid, voiced, voiceless, vowel,
   vowellike, weak, wide