vampire bat

noun

Definition of vampire bat

: any of several bats (Desmodus rotundus, Diaemus youngi, and Diphylla ecaudata of the subfamily Desmodontinae of the family Phyllostomidae) of Mexico and Central and South America that feed on the blood of birds and mammals and especially domestic animals and that are sometimes vectors of disease and especially of rabies also : any of several other bats (as of the families Megadermatidae and Phyllostomidae) that do not feed on blood but are sometimes reputed to do so

Illustration of vampire bat

Illustration of vampire bat

Examples of vampire bat in a Sentence

Recent Examples on the Web

Today's common vampire bat, Desmodus rotundus, has an 8-inch wingspan, much smaller than its ancestor, D. draculae. Andrew Daniels, Popular Mechanics, "The OG Batman Was Actually a Mesoamerican Humanoid Monster," 28 June 2019 For example, vampire bats donate some of their blood meal to community members that fail to find prey. Quanta Magazine, "Game Theory Calls Cooperation Into Question," 12 Feb. 2015

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'vampire bat.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of vampire bat

1790, in the meaning defined above

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More Definitions for vampire bat

vampire bat

noun

English Language Learners Definition of vampire bat

: a bat from Central and South America that sucks the blood of people and animals

vampire bat

noun

Kids Definition of vampire bat

: a bat of tropical America that feeds on the blood of birds and mammals

vampire bat

noun

Medical Definition of vampire bat

: any of several Central and South American bats (Desmodus rotundus, Diaemus youngi, and Diphylla ecaudata) that feed on the blood of birds and mammals and especially domestic animals and that are sometimes vectors of disease and especially of rabies also : any of several other bats that do not feed on blood but are sometimes reputed to do so
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