What does "boathouse" mean?

A building at the edge of a river, lake or other body of water in which boats are kept.

What is a synonym for "boathouse"?

Common synonyms include: roundhouse.

/ˈboʊtˌhaʊs/ noun

noun ·Rare ·Advanced level

Noun

1
A building at the edge of a river, lake or other body of water in which boats are kept.
"[…] 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."
2
a shed at the edge of a river or lake; used to store boats wordnet

"The houseboat is in the boathouse."

From boat + house.