Definition of "January"

January

/ˈd͡ʒæn.j(ʊ.)ə.ɹi/

proper noun
plural Januaries or Januarys
1. The first month of the Gregorian calendar, following the December of the previous year and preceding February. Abbreviation: Jan or Jan.
2. (rare) A female given name from English.
  Quotations
  “Hi, January!” Lynn calls. “Happy birthday!”
  2011, Michael Schofield, January First