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Webster 1913 Edition
Hair's breadth
Hair′breadthˊ
(-brĕdth)
, Hair’s′ breadthˊ
(hârz′-)
The diameter or breadth of a hair; a very small distance; sometimes, definitely, the forty-eighth part of an inch.
[Also spelled
hairsbreadth
.] Every one could sling stones at an
hairbreadth
and not miss. Judg. xx. 16.