bn:00066894n
Noun Concept
EN
register
EN
An air passage (usually in the floor or a wall of a room) for admitting or excluding heated air from the room WordNet 3.0
Definitions
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EN
An air passage (usually in the floor or a wall of a room) for admitting or excluding heated air from the room WordNet 3.0 & Open English WordNet
WordNet 3.0 & Open English WordNet