The Collaborative International Dictionary
Sanguivorous
Sanguivorous \San*guiv"o*rous\, a. [L. sanguis blood + vorare to devour.] (Zo["o]l.) Subsisting upon blood; -- said of certain blood-sucking bats and other animals. See Vampire.
Wiktionary
sanguivorous
a. That feeds on blood; blood-sucking, hematophagous