tram‧po‧line /ˈtræmpəliːn/ noun [countable]
[Date: 1700-1800; Language: Spanish; Origin: trampolín, from Italian trampolino]
a piece of equipment that you jump up and down on as a sport. It consists of a metal frame with a piece of strong cloth stretched tightly over it.

[TahlilGaran] Dictionary of Contemporary English ▲