Baseboard

n.

1.

(Arch.) A board, or other woodwork, carried round the walls of a room and touching the floor, to form a base and protect the plastering; - also called washboard (in England), mopboard, and scrubboard.

Noun

1.

baseboard - a molding covering the joint formed by a wall and the floor Synonyms: mopboard, skirting board

molding, mopboard, moulding, skirting board