diver(n = noun.animal)loon - large somewhat primitive fish-eating diving bird of the northern hemisphere having webbed feet placed far back; related to the grebes;
, n.
1 a person who dives.
2 a a person who wears a diving-suit to work under water for long periods. b a pearl-diver etc.
3 any of various diving birds, esp. large water-birds of the family Gaviidae.