Wiktionary
vb. to block doors or windows with boards, either to prevent access or as protection from storms, etc.
WordNet
v. cover with wooden boards; "board up windows before the hurricane"
Usage examples of "board up".
I keep telling her to board up those windows, but she says the customers might get nervous.
His body surged across the instrument board up to the extreme right hand corner of the inclined panel where the main control of the energy screens was located.
If the winds got too high before he could get there to board up the windows, it was going to be a disaster, and the winds were already being reported over forty knots.
Even if she carried the game board up to the window, there would not be enough light to reassemble it properly.
Four men were busily engaged in the operation of opening the stream gates, and Snitkin, his drawings evidently completed, was dragging the last board up the bank toward the vault.
If all businessmen had pals like these, we could board up the bankruptcy courts.
Rumors of the wealthy and famous quietly commencing arrangements to board up and vacate waterfront properties in Argentina and Brazil, the African Cape, Hong Kong, and to move themselves and their valuables to higher, inland retreats didn't help to assuage the rising anxieties of average people without such options.
Rumors of the wealthy and famous quietly commencing arrangements to board up and vacate waterfront properties in Argentina and Brazil, the African Cape, Hong Kong, and to move themselves and their valuables to higher, inland retreats didn’.
He and Mullenax carefully laid the trussed leg in the new-built box, positioned the longer board up along Rouleau's left side, between his body and his arm, and bound that firmly with cloth strips running around his waist and chest.