[See prec.] A portion of the roof of a house carried slightly beyond the wall at the gable-end, and made up underneath with mortar, to keep out rain, etc.

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1668.  Leybourn, Platf. Purch., 109. The Barge Courses … must be struck with Lime and hair Mortar.

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1727.  Bradley, Fam. Dict., Barge-Course.

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1835.  Penny Cycl., III. 450/1. Barge-boards … are often attached to the gables of old English houses, fixed near the extremity of the barge-course.

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