Breather

Noun

 * 1) Something or someone that breathes.
 * 2) A short break; a rest or respite.
 * After a short breather she was ready to continue up the hill.
 * 1) A spatially localized, time-periodic excitation in a one-dimensional lattice

Thesaurus
athletics, blow, break, breath, breathing place, breathing space, breathing spell, breathing time, calisthenics, cigarette break, cocktail hour, coffee break, constitutional, daily dozen, downtime, drill, enforced respite, exercise, exercising, gymnastic exercises, gymnastics, halt, happy hour, interlude, intermission, isometrics, letup, lull, pause, physical education, physical jerks, practice, recess, respite, rest, setting-up exercises, spell, stay, stretch, surcease, suspension, tea break, ten, time out, workout, yoga