Definition of "baseboard" [base•board]

• A molding that conceals the joint between an interior wall and the floor. Also called mopboard. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Fortunately, the baseboard is cut into suitable lengths, so we do not need to use the handsaw again and once more risk attracting attention."
• "There, at the bottom of the baseboard, is the little slit through which the mouse, flattening its body in that impossible way that is the special talent of mice, disappeared."
• "Drawn along the bottom of the wall behind the bed just above the baseboard is the Garden of Eden."