Definitions for kickboardˈkɪkˌbɔrd, -ˌboʊrd
Random House Webster's College Dictionary
a buoyant board that is used to support the arms of a swimmer, used chiefly in practicing kicking movements.
Origin of kickboard:
A small, buoyant board used to support a swimmer's upper body and arms while allowing free kicking movements.
On pianos and organs, a vertical panel located above the pedals.
On doors, the vinyl panel at the bottom eight inches.