1. (noun) white shark, white pointer shark, Carcharodon carcharias - a large heavy-bodied shark found in temperate and tropical waters. Eats a wide variety of fish and birds and attacks humans. Noted for its broadly triangular teeth with serrated edges. The largest of man-eating sharks, with the largest individuals known to reach 6 metres in length and 2,268 kilograms in weight. Large spindle-shaped body with pointed snout. Near-symetrical tail, large first dorsal and very small second dorsal fin. Grey above and white below with a sharp demarcation between the two colours.