gymnastic apparatus consisting of a strong canvas sheet attached with springs to a metal frame; used for tumbling
"After years of practicing on the trampoline, she finally landed her first perfect flip without touching the mat."
A gymnastic and recreational device consisting of a piece of taut, strong fabric stretched over a steel frame using many coiled springs as anchors.
"After hours of bouncing on the trampoline in the backyard, I finally managed to perform a perfect backflip without hitting my head on the safety net."
To jump as if on a trampoline.
"After the long hike, we bounced around in the living room like we were on a giant trampoline."