[shark] n [ME] (15c): any of numerous mostly marine cartilaginous fishes of medium to large size that have a fusiform body, lateral branchial clefts, and a tough usu. dull gray skin roughened by minute tubercles and are typically active predators sometimes dangerous to humans -- shark.like adj
[2]shark n [prob. modif. of G Schurke scoundrel] (1599) 1: a rapacious crafty person who preys upon others through usury, extortion, or trickery
2: one who excels greatly esp. in a particular field [3]shark vt (1602) 1 archaic: to gather hastily
2. archaic: to obtain by some irregular means ~ vi 1 archaic: to practice fraud or trickery
2. archaic: sneak