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
air duct
air passage
airway
relief
rest period
1/2-inch
HAZMAT
Heller
anti-icing
bleeder
derichment
diffuser
docking
euglycemic
faceup
full-face
high-pressure
hot-water
hydrothermal
night vision
nosebag
posthaste
scuba
snorkel
suction
thermoplastic
wire-mesh
either
neither