气筒 (氣筒) qìtǒng

qìtǒng noun inflator; bicycle pump; air cylinder
Domain: Modern Chinese 现代汉语
Notes: (CC-CEDICT '氣筒'; Guoyu '氣筒'; Mathews 1931 '氣筒', p. 73)

Contained in

• 出气筒(出氣筒) (metaphorical) punching bag; undeserving target of somebody's wrath
• 氧气筒(氧氣筒) oxygen cylinder
• 打气筒(打氣筒) bicycle pump