Something or someone that breathes.
A breather.
(quote-journal)
(C) A short break; a rest or respite.
(ux)
(quote-song)|album=(w)|year=2025|passage=I took a breather and decided not to ruin my life
A spatially localized, time-periodic excitation in a one-dimensional lattice.
That which puts one of breath, such as violent exercise.
An air inlet path to the crankcase