Meanings
From horse racing, where the winning horse is slightly ahead, and the length of the nose separates it from the runner-up.
How to pronounce "win by a nose":
AU
To win by a small margin; to have a narrow victory.
Example Sentences
1
In a close race, he managed to win by a nose.
2
The boxer landed a powerful punch, securing the win by a nose.
3
She answered the last question correctly, allowing her to win by a nose.
4
He made a last-second shot, helping his team win by a nose.