finger's breadth

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Noun1.finger's breadth - the length of breadth of a finger used as a linear measure
linear measure, linear unit - a unit of measurement of length
References in periodicals archive ?
Using two fingers, push inwards and upwards (in the direction of the head) against the infant's breastbone, approximately one finger's breadth below the nipple line.
Even from a distance of 16,000km Warne has the knack of holding you a finger's breadth from the action.
During cannula removal, you can also ensure that the edge of the mesh is at least one finger's breadth away from the pelvic side wall.