The Collaborative International Dictionary of English v.0.48:

Colossus \Co*los"sus\, n.; pl. L. Colossi, E. Colossuses.
   [L., fr. Gr. ?.]
   1. A statue of gigantic size. The name was especially applied
      to certain famous statues in antiquity, as the Colossus of
      Nero in Rome, the Colossus of Apollo at Rhodes.
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            He doth bestride the narrow world
            Like a colossus.                      --Shak.
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   Note: There is no authority for the statement that the legs
         of the Colossus at Rhodes extended over the mouth of
         the harbor. --Dr. Wm. Smith.
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   2. Any man or beast of gigantic size.
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