Definition of black-throated diver in English:

black-throated diver

noun

  • The diver Gavia arctica (family Gaviidae), breeding chiefly in northern Eurasia, having (in the breeding season) a grey head, black throat, and chequered back; also called (in US) Arctic loon.

Origin

Late 18th century; earliest use found in Thomas Pennant (1726–1798), naturalist, traveller, and writer.