开关

Traditional form:

開關

Pinyin (reading):

kāiguān

Definitions:

• power switch
• gas valve
• to open the city (or frontier) gate
• to open and close
• to switch on and off

Characters:

• 开 - to open; to start, to initiate, to begin
• 关 - frontier pass; to close, to shut; relation

Traditional characters:

• 開 - to open; to start, to initiate, to begin
• 關 - frontier pass; to close, to shut; relation