shark 1
— sharklike , adj.
/shahrk/ , n.
any of a group of elongate elasmobranch, mostly marine fishes, certain species of which are large, voracious, and sometimes dangerous to humans.
[ 1560-70; orig. uncert. ]
shark 2
/shahrk/ , n.
1. a person who preys greedily on others, as by cheating or usury.
2. Informal. a person who has unusual ability in a particular field.
v.t.
3. Archaic. to obtain by trickery or fraud; steal.
v.i.
4. Archaic. to live by shifts and stratagems.
[ 1590-1600; Schork, var. of Schurke rascal ]