/ ˈbɑːdʒbɔːd; NAmE ˈbɑːrdʒbɔːrd/ noun
a board that is fixed to the end of a roof to hide the ends of the wooden roof beams
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WORD ORIGIN
mid 19th cent.: from mid 16th-cent. barge- (used in architectural terms relating to the gable of a building), perhaps from medieval Latin bargus gallows.