cormorant \KOR-mur-unt; -muh-rant\ (noun) - 1 : Any species of Phalacrocorax, a genus of sea birds having a sac under the beak; the shag. Cormorants devour fish voraciously, and have become the emblem of gluttony. They are generally black, and hence are called sea ravens, and coalgeese. 2 : A gluttonous, greedy, or rapacious person.
"Characterizing himself as 'a library cormorant,' Bud's appetite for books and other forms of reading material knew no bounds"
Cormorant comes from Old French cormareng, "raven of the sea," from corb, "raven" (from Latin corvus) + marenc, "of the sea" (from Latin marinus, from mare, "sea").