fish house noun4 •Fish restaurantAlong U.S. Route 1, you'll find the area's best family fish house, the Captain's Tavern, with an ideal mix of both simple fried fish and designer seafood. — 2012 •Temporary structure for ice fishingExcept as provided in paragraph (d), a shelter, including a fish house or dark house, may not be on the ice between 12:00 a.m. and one hour before sunrise after the following dates: — 2006 •Business that supports and buys from fishermen.In the center of the fish house, a metal conveyor belt dropped stiff, gaping trout onto a second belt to be sorted into bins according to size. — 1998 •Alternative form of fishhouse. formsfish houses · fish-houses