'hairsbreadth' definitions:

Definition of 'hairsbreadth'

From: WordNet
noun
A very small distance or space; "they escaped by a hair's-breadth"; "they lost the election by a whisker" [syn: hair's-breadth, hairsbreadth, hair, whisker]

Definition of 'hairsbreadth'

From: GCIDE
  • Hairbreadth \Hair"breadth`\ (-br[e^]dth), Hair's breadth \Hair's" breadth`\ (h[^a]rz"-). 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]