baseboard

noun

base·​board ˈbās-ˌbȯrd 

: a board situated at or forming the base of something

specifically : a molding covering the joint of a wall and the adjoining floor

Examples of baseboard in a Sentence

Recent Examples on the Web

Sprinkle diatomaceous earth near the entry points of your home, such as around baseboards, windowsills, and doors. —Arricca Elin Sansone, Southern Living, 10 Apr. 2026

Finish with a whole-house pass on baseboards, vents and high-touch surfaces. —Lauren Jarvis-Gibson, Kansas City Star, 9 Apr. 2026

Clean baseboards make an entire room look sharper, even if nothing else has changed. —Lauren Jarvis-Gibson, Sacbee.com, 9 Apr. 2026

However, if the baseboards are extra dusty and require a heavy-duty clean, use the dry pad without the cleaning tool in place of a regular rag to get in all the nooks and crevices of the baseboards. —Maria Sabella, The Spruce, 7 Apr. 2026

Word History

First Known Use

1598, in the meaning defined above

Rhymes for baseboard

• checkerboard
• clavichord
• fiberboard
• fibreboard
• fingerboard
• harpsichord
• motherboard
• notochord
• overboard
• overlord
• paperboard
• plasterboard

Kids Definition

baseboard

noun

base·​board -ˌbōrd 

-ˌbȯrd

: a board placed at or forming the base of something

especially : a molding covering the crack between a wall and floor