SHARK

I. noun Etymology: Middle English Date: 15th century any of numerous mostly marine cartilaginous fishes of medium to large size that have a fusiform body, lateral branchial clefts, and a tough usually dull gray skin roughened by minute tubercles and are typically active predators sometimes dangerous to humans, ~like adjective II. noun Etymology: probably modification of German Schurke scoundrel Date: 1599 a rapacious crafty person who takes advantage of others often through usury, extortion, or devious means , one who excels greatly especially in a particular field, III. verb Date: 1602 transitive verb to gather hastily, to obtain by some irregular means, intransitive verb to practice fraud or trickery, sneak