Fixture/ˈfɪkstʃər/ Definition 1 of 4Pro Tip 1/2Permanent Placement Appliances or items attached to a building are not meant to be moved often. The fireplace is a classic fixture that adds warmth to the living room. Pro Tip 2/2Part of Property Think of a fixture as part of the property, such as built-in furniture or plumbing. When buying a house, check which fixtures are included.