He's scratching the mopboard with the toe of his oxfords.    From Wordnik.com.  [Asimov's Science Fiction]

Who would ever have imagined I would know the words for: fan, handyman, mopboard, lawn, drainage, water softener, etc. in Spanish but not in German or Italian?.    From Wordnik.com.  [Page 2] Reference

If you do not find it there, examine the base or mopboard.    From Wordnik.com.  [The Lock and Key Library The most interesting stories of all nations: Real life] Reference

There is a very funny mark on this wall, low down, near the mopboard.    From Wordnik.com.  [The Yellow Wallpaper] Reference

The robot gently bounces along the wall while little helicopter-style brushes scoop up the dust bunnies along the mopboard.    From Wordnik.com.  [StarTribune.com rss feed] Reference

The slightest sound broke his sleep -- the gnawing of a mouse behind the mopboard, or a change in the wind; and then insomnia seized upon him.    From Wordnik.com.  [The Queen of Sheba & My Cousin the Colonel] Reference

There is a corresponding opening in the mopboard in the next room, although no attempt is made to so carefully conceal it, as no one is ever admitted to it.    From Wordnik.com.  [The Lock and Key Library The most interesting stories of all nations: Real life] Reference

There came a fearful rending of laths; the mopboard buckled; two vases of alabaster fell from the parlor mantel, and almost at the same moment the red plush clock with the stone cuckoo-bird over the dial and the music box "where its gizzard should have been," as Elmer always said, fell likewise.    From Wordnik.com.  [The Best Short Stories of 1919 and the Yearbook of the American Short Story] Reference

By the way, some day I shall paint a picture of you in that apron scrubbing my 'mopboard.'".    From Wordnik.com.  [Amarilly of Clothes-line Alley] Reference