breather

/ˈbriːðər/
noun
  1. A short rest or pause from physical or mental activity.
    • Let's take a breather before we start the next meeting.
    • He needed a breather after carrying the heavy boxes upstairs.
    • After running for an hour, she took a breather on the park bench.
  2. A person or thing that breathes in a particular way.
    • The doctor said he is a mouth breather because of his stuffy nose.
    • She's a deep breather during yoga class.
    • My dog is a noisy breather when he sleeps.
  3. A small opening or valve that allows air to enter or escape from a container or system.
    • Check the breather on the engine to make sure it's not clogged.
    • The fuel tank has a breather to prevent pressure buildup.
    • The aquarium's filter includes a breather tube for air circulation.
What does "breather" mean? | whatsthatwordmean | whatsthatwordmean