Definition of "August"

August¹

/ˈɔː.ɡəst/

proper noun
plural Augusts
1. The eighth month of the Roman, Julian, and Gregorian calendars, following July and preceding September.
  Quotations
  The day was cool and snappy for August, and the Rise all green with a lavish nature. Now we plunged into a deep shade with the boughs lacing each other overhead, and crossed dainty, rustic bridges over the cold trout-streams, the boards giving back the clatter of our horses' feet: […] .
  1897 December (indicated as 1898), Winston Churchill, chapter VIII, in The Celebrity: An Episode, New York, N.Y.: The Macmillan Company; London: Macmillan & Co., Ltd.
2. A female given name from English derived from the month (rare modern usage).
  Quotations
  August, Charis named her, because that's when she was born. Warm breezes, baby powder, languorous heat, the smell of mown hay. Such a soft name. Too soft for her daughter, who has added an a. Augusta, she is now — a very different resonance. Marble statues, Roman noses, tight-lipped commanding mouths.
  1993, Margaret Atwood, Robber Bride, Virago Press, published 2013, page 48

August²

proper noun
1. A male given name from Latin.
  Quotations
  Thirteen year old August is the eldest; he begins to pull the kite downward. Like his sister and brother, June and July, he has been named after the month in which he was born.
  1974, Witi Ihimaera, Whanau, Heinemann, page 76
2. A surname from Latin.
3. A census-designated place in San Joaquin County, California, United States.