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| bat [ bat ] (plural bats) |
noun |
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| Definition: |
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flying mammal: a small nocturnal flying mammal with leathery wings stretching from the forelimbs to the rear legs and tail. Bats eat fruit or insects, usually hang upside down when resting, and often use echolocation to detect prey and to navigate. Order Chiroptera.
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| [Late 16th century. Alteration of backe< N Germanic] |
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have bats in the belfry to be slightly but harmlessly eccentric (informal)
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like a bat out of hell extremely fast (slang)
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