Definitions

1. noun

A board or molding attached to the base of a wall, especially to cover the space between the wall and the floor.

“The homeowner was painting the baseboards to match the new color of the walls.”

2. noun

The lowest part of an object or a structure, especially a molding or a plate.

“The baseboard of the engine was rusty and needed to be replaced.”

3. verb

To cover or line the base of something with a board or molding.

“The carpenter baseboarded the entire house in one day.”