The meaning is actually “to close”. But also: pass summit or mountain pass. The pass is already in “heaven” 天, but from there it goes higher, because otherwise it wouldn't be a pass. And (due to the weather) a pass can be closed.
This radical is always at the right side of the hanzi and means "village". Please note the difference to this radical 阝, which means "hill" and is always at the left side of the character.
Tip: Go to the radicals that are contained in this character and learn all the characters with this radical systematically!
Vocabulary
郑州
Zhèng zhōu
Zhengzhou prefecture level city and capital of Henan Province in central China
3935
郑重
zhèng zhòng
serious; solemn
3936
郑重
zhèng zhòng
3937
郑裕玲
Zhèng Yù líng
Carol "Dodo" Cheng Yu-Ling (1957-), Hong Kong actress and TV host
5036
郑幸娟
Zhèng Xìng juān
Zheng Xingjuan (1989-), Chinese athlete, lady high jumper
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