shark meaning and definition

SHARK noun

Definition of shark (noun)

1. any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales
2. a person who is ruthless and greedy and dishonest
3. a person who is unusually skilled in certain ways
   • "a card shark"

SHARK verb

Definition of shark (verb)

1. play the shark; act with trickery
2. hunt shark