A brick perforated with small holes for ventilation.
〈英〉（通风透气的）空心砖
Example sentencesExamples
Buy sandbags or floorboards to block doors and airbricks and remember to ensure there is adequate ventilation.
Passive systems are less effective and, although they have no moving parts to wear out, may still go wrong: airbricks blocked by vegetation, for example.
More expensive alternatives were floodguards, for doors, windows and airbricks, or a portable metal wall to be built around homes when the water starts rising.
Fill gaps around pipes, but be careful not to block airbricks.
If your home is particularly ‘airtight’, with double glazing and draught proofing, you might need an air vent or airbrick in an exterior wall.