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English to English noun
| 1 |
the distance by which one thing clears another; the space between them |  | source: wordnet30
| 2 |
vertical space available to allow easy passage under something | | source: wordnet30
| 3 |
permission to proceed | | Example: the plane was given clearance to land
source: wordnet30
| 4 |
The act of clearing; as, to make a thorough clearance. | | source: webster1913
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