/brant/ , n. , pl. brants , ( esp. collectively ) brant .
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; esp. Brit., brent, brent goose .
[ 1535-45; short for brantgoose, brentgoose; akin to ON brandgas, G Brandgans ]