Senses
冬 winter
The last of the four seasons; specifically the three months from the start of winter to the start of spring in the lunar calendar
冬 year
(dialect) A year; used in southern Min Chinese to count time periods by years
冬 variants: 鼕 Dong
(proper noun) A Chinese surname
冬 variants: 鼕 rat-tat
(sound) The sound of a drum or a knock at the door