on the drawing board

:  an act or instance of drawing

:  the process of deciding something by drawing lots

:  the art or technique of representing an object or outlining a figure, plan, or sketch by means of lines

:  border, edge

:  the side of a ship

:  a piece of sawed lumber of little thickness and a length greatly exceeding its width

:  to come up against or alongside (a ship) usually to attack

:  accost, address

:  to go aboard (such as a ship, train, airplane, or bus)