n.
1.a gymnast who performs rolls and somersaults and twists etc.
2.a glass with a flat bottom but no handle or stem
3.a movable obstruction in a lock that must be adjusted to a given position (as by a key) before the bolt can be thrown
4.pigeon that executes backward somersaults in flight or on the ground
Idiom of the Day
pull down (something) or pull (something) down
to demolish something
The city will pull down the old office building rather than rebuild it.