[1] : The Collaborative International Dictionary of English v.0.48

zillah \zil"lah\, n. ar. zila.
   a district or local division, as of a province. india
   1913 webster

[2] : Easton's 1897 Bible Dictionary

zillah
   shadow, one of the wives of lamech, of the line of cain, and
   mother of tubal-cain gen. 4:19, 22.
   

[3] : Hitchcock's Bible Names Dictionary (late 1800's)

zillah, shadow; the tingling of the ear

[4] : U.S. Gazetteer (1990)

zillah, wa city, fips 80500
  location: 46.40371 n, 120.25953 w
  population 1990: 1911 729 housing units
  area: 3.0 sq km land, 0.0 sq km water
  zip codes: 98953

[5] : U.S. Gazetteer Places (2000)

zillah, wa -- u.s. city in washington
   population 2000:    2198
   housing units 2000: 837
   land area 2000:     1.215799 sq. miles 3.148906 sq. km
   water area 2000:    0.000000 sq. miles 0.000000 sq. km
   total area 2000:    1.215799 sq. miles 3.148906 sq. km
   fips code:            80500
   located within:       washington wa, fips 53
   location:             46.403561 n, 120.260696 w
   zip codes 1990:     98953
   note: some zip codes may be omitted esp. for suburbs.
   headwords:
    zillah, wa
    zillah

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Zillah, definition of term: Zillah
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