What is "trampolines"

Usage examples of "trampolines".

Because the gravity was even more meager than the light was dim, the town had been designed as a fully three-dimensional space, with railings and glide ropes and flying dumbbell waiters, cliffside balconies and elevators, chutes and ladders, diving boards and trampolines, hanging restaurants and plinth pavilions, all illuminated by bright white floating lamp globes.

That corridor led Yalena down past the trampolines and balance beams used by the women's gymnastics team.

There were fire gags, with sailors running around engulfed in flame, and bomb gags, where men bounced off concealed trampolines at the moment the gas and flash powder went off.