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Webster 1913 Edition

Noun.

A house for sheltering boats.

Half the latticed

boathouse

hides.

Wordsworth.

boathouse ‎(plural boathouses)

A building at the edge of a river, lake or other body of water in which boats are kept.
- 1942, Emily Carr, The Book of Small, "Regatta,"
  […] many people living along the harbour front had boathouses and boats of their own, for regattas and water sports were one of Victoria's chief attractions.

building for boats