Medical Dictionary
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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