any of several species of small, dark-colored geese of the genus Branta, esp. B. bernicla, breeding in high northern latitudes and migrating south in the autumn.
Also called brant goose; especially British, brent, brent goose.
Origin: 1535–45; short for brantgoose, brentgoose; akin to ON brandgās, G Brandgans
[brant] 
) brant.