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
take a backseat to (someone or something)
to accept a poorer or lower position than someone, to be second to someone or something
I had to take a backseat to my boss when we went on the business trip.
