Polacca

from The Collaborative International Dictionary of English v.0.48
Polacca \Po*lac"ca\, n. [It. polacca, polaccra, polacra; cf. F.
   polaque, polacre, Sp. polacre,] [Written also {polacre}.]
   1. (Naut.) A vessel with two or three masts, used in the
      Mediterranean. The masts are usually of one piece, and
      without tops, caps, or crosstrees.
      [1913 Webster]

   2. (Mus.) See {Polonaise}.
      [1913 Webster]
    
from U.S. Gazetteer (1990)
Polacca, AZ (CDP, FIPS 56890)
  Location: 35.83564 N, 110.36559 W
  Population (1990): 1108 (303 housing units)
  Area: 24.4 sq km (land), 0.0 sq km (water)
  Zip code(s): 86042
    

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