Roller

Large breakers formed on a beach, usually as a result of an incoming swell that has traveled a long distance across the ocean. See'' also'' long-crested wave.

roller

Sports; Cricket

A cylindrical implement used to flatten the pitch before play.

roller

Chronometry; Clock

In the lever escapement, the cylindrical metal piece mounted on the balance staff and carrying the impulse pin; it also performs the safety action. In English work, the single ...

ball out

Sports; Trampoline

The gymnast starts with a Back Drop and then does a 1º forward somersault.

ballout

Sports; Trampoline

This move starts on the back and then goes into a 1º forward somersault

cody

Sports; Trampoline

A somersault movement that begins with the gymnast stomach landing on the bed of the trampoline and then a 1º back somersault is performed.

barani out

Sports; Trampoline

The gymnast does a double forward somersault with a half-twist when doing the second somersault.

barrel roll

Sports; Trampoline

This move starts on the stomach, with one full twist and the landing is once again on the stomach.

bed

Sports; Trampoline

What the gymnast bounces on. The bed of a trampoline has 120 springs, is 3.60 to 4.30 meters long, and is 1.80 to 2.15 meters wide. The frame height is 0.95 to 1.05 meters high.