whisker
//ˈwɪskər//
Noun
whiskerSingular
whiskersPlural
1
A long, stiff hair growing from the face or snout of an animal, especially a cat, used as a sensory organ.
The cat's whiskers help it sense objects in the dark.
2
Hair growing on a man's face, especially on the cheeks and chin.
He decided to shave off his whiskers after growing them for a month.
3
A very small amount or margin.
She missed the train by a whisker.