monsoon

A wind system that influences large climatic regions and reverses direction seasonally.

A wind from the southwest or south that brings heavy rainfall to southern Asia in the summer.

The rain that accompanies this wind.

A wind occurring in the alternation of the trade-winds in India and the north Indian ocean.

Any of the winds that have annual alternations of direction and velocity, arising from differences of temperature between continents or islands and the surrounding ocean.

A wind blowing part of the year from one direction, alternating with a wind from the opposite direction; — a term applied particularly to periodical winds of the Indian Ocean, which blow from the southwest from the latter part of May to the middle of September, and from the northeast from about the middle of October to the middle of December.

A heavy rainfall in India associated with the southwest monsoon{1}.

The season in which the monsoon{2} occurs.

Any of a number of winds associated with regions where most rain falls during a particular season.