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 equinox is coming, and we can pinpoint it down to the minute. Thursday, September 22, is the date of the autumn equinox, the first official date of fall. The equinox marks the day when there are exactly 12 hours of sunlight, and marks the changing of the seasons.