noun.
A building at the edge of a river or lake in which boats are kept.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a shed at the edge of a river or lake; used to store boats
Word Usage
"Although nothing in bass fishing lds true every time, several considerations help narrow the choices of which boathouse is most likely to hold bass: l Older boathouses and docks generally have more fish than newer ones."