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noun
- Cloth-covered frame used for protection against rain or sun.
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Generally, anything that provides protection. (The fighters provide a defensive air umbrella over the battle group.)
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Something that covers a wide range of concepts, ideas, purposes, etc. (The test facility was established under the umbrella of the company's quality program.)
- The main body of a jellyfish, excluding the tentacles.
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| urchin |
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noun
- A mischievous child.
- street kid, a child from from a poor neighborhood.
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(archaic) A hedgehog.
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| uropod |
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noun-
(anatomy) either of the two posterior abdominal appendages of the lobster, shrimp and some other crustaceans
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