Definitions
1.NounAn animal that drinks the blood of others, especially by sucking blood through a puncture wound; a leech, mosquito etc. .mw-parser-output .defdate{font-size:smaller}
2.NounSomeone who sheds blood; a bloodthirsty person; a violent criminal.
3.NounSomeone who preys on others, or who attempts to take as much from others as possible; an extortioner; a leech.
4.NounA supernatural being who feeds on (especially human) blood; a vampire.
5.NounAny of various lizards of the family Agamidae, especially the changeable lizard (Calotes versicolor) of Asia, and the jacky dragon of Australia, Amphibolurus muricatus).