whisker

nouns

a very small distance or space
"they escaped by a hair's-breadth"; "they lost the election by a whisker"
hair, hair's-breadth, hairsbreadth, whisker
a long stiff hair growing from the snout or brow of most mammals as e.g. a cat
sensory hair, vibrissa, whisker
is derived from
whiskery

verbs

furnish with whiskers
"a whiskered jersey"
bewhisker, whisker