- hair's-breadth, hairsbreadth, hair, whisker - a very small distance or space; "they escaped by a hair's-breadth"; "they lost the election by a whisker"
--1 is a kind of small indefinite quantity, small indefinite amount
- whisker, vibrissa, sensory hair - a long stiff hair growing from the snout or brow of most mammals as e.g. a cat
--2 is a kind of hair
Derived form: verb whisker1