HAIRBREADTH

hairbreadth. Hairbreadth, n. a very small breadth or distance

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Hair″breadth′ (–brĕdth), Hair's″ breadth′ (hârz″). The diameter or breadth of a hair; a very small distance; sometimes, definitely, the forty-eighth part of an inch. Every one could sling stones at an hairbreadth and not miss. Judg. xx. 16.