అర్థం : A gymnast who performs rolls and somersaults and twists etc..

అర్థం : A glass with a flat bottom but no handle or stem. Originally had a round bottom.

అర్థం : A movable obstruction in a lock that must be adjusted to a given position (as by a key) before the bolt can be thrown.

అర్థం : Pigeon that executes backward somersaults in flight or on the ground.