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

one-half \one-half\ n.
   one of two equal parts of a divisible whole; a half; a
   century and one half.

   syn: half.
        wordnet 1.5 one-hand

[2] : WordNet (r) 2.0

one-half
     n : one of two equal parts of a divisible whole; "half a loaf";
         "half an hour"; "a century and one half" syn: half
see also:
half 

One-Half >> O Words
One-Half, definition of term: One-Half
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