(mythology) A common character in various traditional creation myths who is sent by a supreme being into the primal waters to find substance (often sand or mud) with which to build habitable land.

Someone who skin-dives.

Someone who takes part in cave diving

Gavia adamsii, the largest member of the loon or diver family, having a black head, white underparts and checkered black-and-white mantle.

Gavia arctica, a medium-sized member of the loon or diver family that breeds in Eurasia, with grey head, black throat, white underparts and chequered black-and-white mantle.

Gavia stellata, the smallest member of the loon or diver family, breeding in northern Eurasia and Arctic Canada, with grey head, red throat, white underparts and dark mantle.

(UK, Ireland) A large member of the diver family, Gavia immer, commonly breeding in North America, where it is known as the as common loon.

plural of white-billed diver

plural of great northern diver

plural of red-throated diver