1.TTWa ship with two masts (=poles) and large square sails 方帆[横帆]双桅船
2.American EnglishAmE a military prison, especially on a ship 〔尤指军舰上的〕禁闭室
Examples from the Corpus
brig• There he became master of the Emma, a brig of 122 tons.• Promoted lieutenant in the brig Grasshopper, he was driven ashore on the Helder in December 1811.• The brig has inmates from all four.• The brig was built in 1992-a year before it was announced the Navy base at Treasure Island would be shut down.• The brig was invented just for him.• The image was of steam rising from the shower room of the Yokasuka brig.