The term 'LIKE A BRIG' can be solved by the word 'MASTED', which is a six-letter word. The term 'LIKE A BRIG' refers to a type of sailing vessel, which is a two-masted sailing ship with square rigging on both masts. This type of vessel was popular in the 19th century and was used for both military and commercial purposes. The term 'MASTED' is used to describe a vessel that has been fitted with masts, which are tall poles used to support sails.