Meaning : A very small distance or space.
Example :
They escaped by a hair's-breadth.
They lost the election by a whisker.
Synonyms : hair, hair's-breadth, hairsbreadth
Meaning : A long stiff hair growing from the snout or brow of most mammals as e.g. a cat.
Synonyms : sensory hair, vibrissa
Whisker meaning in Bengali (Bangla).