intransitive verb
Definition: To move or be in motion, especially referring to air or wind; to expel air from the mouth or to breathe heavily.
Example: The wind began to blow fiercely, shaking the trees.
noun
Definition: A sudden strong movement of air or wind, or a hard hit or strike.
Example: The boxer delivered a powerful blow to his opponent.
transitive verb
Definition: To force air out of your mouth, often to make a sound or to move something.
Example: He blew the dust off the old book before opening it.