air brick
noun
a ceramic or metal unit the size of a brick, open at the sides for admitting air to a building interior.
Words nearby air brick
air bed,
air bell,
air bladder,
air blast,
air brake,
air brick,
air bridge,
air cargo,
air carrier,
air casing,
air cavalry
British Dictionary definitions for airbrick
airbrick
/ (ˈɛəˌbrɪk) /
noun
mainly British
a brick with holes in it, put into the wall of a building for ventilation