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pit prop
(pit prop)
noun
a large wooden beam used to support the roof of a coal mine.
More words in this category
alluvial
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Nearby Words
piston engine
piston ring
piston rod
pistou
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pit boss
pit bull
pit pony
pit prop
pit saw
pit stop
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pit-a-pat
pitahaya
Pitcairn Islands
pitch
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pitch
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pitch and putt