breather
/ˈbriːðə(r)/noun
1
- in sing. informal a brief pause for rest〈非正式〉短暂休息：
regroup and take a breather.
重新分组后进行短暂休息。
2
- a vent or valve to release pressure or to allow air to move freely around something（通气或降压用的）通气孔; 呼吸阀：
a cask breather
桶状呼吸阀
as modifier a breather pipe.通气管。
3
- with adj. or noun modifier a person or animal that breathes in a particular way, or breathes a particular substance（用某种方式呼吸的）呼吸者; 呼吸某种东西者：
a heavy breather.
打呼噜的人。