verb (used without object) 1. to express mirth, pleasure, derision, or nervousness with an audible, vocal expulsion of air from the lungs that can range from a loud burst of sound to a series of quiet chuckles and is usually accompanied by characteristic facial and bodily movements.
The time when fall starts is between summer and winter. As with the other seasons, its commencement differs and is based on the hemisphere you are in. Commencement Dates. In astronomical terms the season begins on September 22 up to November 22 in the Northern Hemisphere.
The meteorological seasons in the Southern Hemisphere are also opposite to those in the Northern Hemisphere: Fall (autumn) - starts March 1 and ends May 31; Winter - starts June 1 and ends August 31; Spring - starts September 1 and ends November 30; and, Summer - starts December 1 and ends February 28 (February 29 in a Leap Year).