wheelhouse (plural wheelhouses)
- (nautical) An enclosed compartment, on the deck of a vessel such as a fishing boat, from which it may be navigated; on a larger vessel it is the bridge or pilothouse.
- (automotive) The partially enclosed structure above and around a wheel of an automobile, typically partly formed by a portion of a fender panel that has been extended outward beyond the plane of the rest of the panel.
- (nautical) The enclosed structure around side paddlewheels on a steamboat.
- (archaeology) A prehistoric structure from the Iron Age, found in Scotland, characteristically including an outer wall within which a circle of stone piers (bearing a resemblance to the spokes of a wheel) form the basis for lintel arches supporting corbelled roofing with a hearth at the hub.
- (baseball, US) A pitch location which is favorable to the hitter.
The pitch was right in his wheelhouse, and he hit a grand slam.
- (slang, US) A person's expertise or area of authority.
Horse viruses are in Pat's wheelhouse.
Employee bonuses are completely in Sam's wheelhouse.