A dado (US and Canada), housing (UK) or trench (Europe) is a slot or trench cut into the surface of a piece of machinable material, usually wood.
Panel forming the lower part of an interior wall when it is finished differently from the rest of the wall.
1There was a dado of Mother Goose illustrations on the pink walls.
2Mr. Morris might have made something out of it for a dado.
3Somehow it reminded them of the dado of a nursery wall-paper.
4Not an inch of wall above the oak dado was visible.
5The new scheme called for a gray wallpaper supported by a maroon dado.
6There was the same parquet floor, and dado of shiny pitchpine.
7The entrance hall has sanded floorboards and a mid-height dado rail.
8The dado rails, chevron flooring and glass door are all phenomenal.
9It has Chinese slate flooring, and rosewood dado rails and panelling.
10He pointed to the carved and whitewashed dado which had hitherto so puzzled me.
11He had slumped against the marble dado and we thought he must be dead.
12On the yellow walls, there were little blue hens stencilled above the dado rail.
13A simple airy ante-room, with a stucco dado, formed an entrance into a drawing-room and dining-room.
14The bottom of the dado thus cut should be flat so as to afford surface for gluing.
15The last story, which was narrower, formed a sort of dado on the summit of the terraces.
16And if she'd kept silent, they would've put the dado rail back at quite the wrong height!