
1) Exercise apparatus 2) Exercise equipment 3) Patron of stunt flying 4) Workout apparatus
Found on
https://www.crosswordclues.com/clue/stairmaster

StairMaster is a US company specialising in the design and production of fitness equipment for commercial, light commercial, and home use. They sell cardiovascular and strength equipment such as stair climbing machines, TreadClimber cardio machines and dumbbell sets. ==History== StairMaster was founded by Lanny Potts, Jim Walker, and George Schupp...
Found on
http://en.wikipedia.org/wiki/StairMaster

an exercise machine that allows the user to go through the motions of climbing stairs.
Found on
https://www.infoplease.com/dictionary/stairmaster
No exact match found.