American Heritage Dictionary
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Century Dictionary
GNU Webster's 1913
WordNet
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Elsewhere on the web
At some 'posts' there was nothing better to sit on than the muddy 'fire-step' or at best half a duckboard or an old bomb box.— The Story of the 2/4th Oxfordshire and Buckinghamshire Light Infantry
He cast a long look at the reddening, lengthening landscape, and dropped down on the duckboard.— One of Ours
Gerhardt splashed out along the submerged duckboard.— One of Ours
Shell-holes and trenches everywhere filled with water till choice of movement was confined to a few duckboard tracks.— The Story of the 2/4th Oxfordshire and Buckinghamshire Light Infantry
I hope you find another duckboard.— More Tish

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