Question

what is monsoon wind

Answer 1

interchange of air between the land and oceans due to unequal heating and cooling of continents and oceans is known as monsoon wind.

Answer 2

A monsoon is a seasonal shift in the prevailing wind direction, that usually brings with it a different kind of weather.

It almost always refers to the Asian monsoon, a large region extending from India to Southeast Asia where monsoon conditions prevail.