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

hairbreadth \hair"breadth`\ -bre^dth, hair's breadth
\hair's" breadth`\ h^arz"-.
   the diameter or breadth of a hair; a very small distance;
   sometimes, definitely, the forty-eighth part of an inch.
   also spelled hairsbreadth.
   1913 webster

         every one could sling stones at an hairbreadth and not
         miss.                                    --judg. xx.
                                                  16.
   1913 webster
see also:
hairsbreadth 

[2] : WordNet (r) 2.0

hair's-breadth
     n : a very small distance or space; "they escaped by a
         hair's-breadth"; "they lost the election by a whisker"
         syn: hairsbreadth, hair, whisker
see also:
hairsbreadth hair whisker 

[3] : WordNet (r) 2.0

hairsbreadth
     n : a very small distance or space; "they escaped by a
         hair's-breadth"; "they lost the election by a whisker"
         syn: hair's-breadth, hair, whisker
see also:
hair's-breadth hair whisker 

Hairsbreadth >> H Words
Hairsbreadth, definition of term: Hairsbreadth
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