Date: 1200-1300
Language: Latin
Origin: Januarius, from Janus ancient Roman god of doors, gates, and new beginnings


Jan‧u‧a‧ry plural Januaries [uncountable and countable] written abbreviation Jan.
TMC the first month of the year, between December and February
next/last January
I haven't heard from him since last January.
in January
She started working there in January.
on January 6th
Rosie's party was on January 6th.
on 6th January British English
He took office on 6th January 1999.
January 6 American English
The package arrived January 6.

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