1.NounAny of various medium-large black seabirds of the family Phalacrocoracidae which dive into water for fish and other aquatic animals, found throughout the world except for islands in the centre of the Pacific Ocean; specifically, the great cormorant (Phalacrocorax carbo).
2.NounA voracious eater; also, a person who, or thing which, is aggressively greedy for wealth, etc.