verb:to expel air from the mouth with force
She had to blow on her hot soup before eating it.
verb:to move or be moved by the wind
The wind blew the loose papers across the courtyard.
noun:a strong gust or current of air
A sudden blow knocked down the umbrellas at the market.
noun:a powerful stroke with a hand, weapon, or tool
The boxer was knocked out by a single blow to the head.
verb:to waste money or other resources in a careless manner
He blew all his savings on an expensive vacation.
noun:a sudden unfortunate event or setback
Losing the contract was a severe blow to the company.