Definition of shiplap in English:

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Pronunciation: /ˈʃɪplap/


[with object]
Fit (boards) together by halving so that each overlaps the one below: (as adjective shiplapped) shiplapped pine used as facing for the first floor
More example sentences
  • These trailers have a 32 mm shiplapped pine deck and 14’ galvanized rims with 8 ply tyres.
  • The curved lid uses sliding dovetails in the frame and then bent, shiplapped boards form the outer skin.
  • Panels are manufactured with shiplapped edges making installation quick, easy and uniform.


[mass noun]
1Boards which have been shiplapped, typically used for cladding: shingles rest on roofing paper laid on shiplap
More example sentences
  • Corrugated steel roofing, shiny cylindrical smokestacks, and shiplap siding extend the outbuilding vocabulary.
  • These heavy pieces are pinned into the shiplaps, but often the pin has broken and the finials have loosened or fallen off.
  • Instead, they still utilize the same construction techniques - mortises, tenons, floating panels, shiplaps and dovetails - used centuries ago in building fine antiques.
1.1 [count noun, usually as modifier] A joint between boards made by halving: a shiplap joint
More example sentences
  • Nail through the shiplap joint but don't nail in the channel groove.
  • They overlap with a shiplap joint between courses and a lap joint between shingles in the same course.
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