boxhaul

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. Nautical To turn (a square-rigged ship) about on the heel by bracing the sails aback.

Century Dictionary and Cyclopedia

1. to veer (a ship) round on her heel when it is impracticable to tack. This is effected by putting the helm a-lee, bracing the head-yards flat aback, squaring the after-yards, takinkg in the drivers, and hauling the head-sheets to windward. When the vessel begins to gather sternway the helm is shifted and the sails trimmed. Smyth.

Wiktionary

1. v. nautical To bring a square-rigged ship onto a new tack by hauling back the foresails whilst steering hard round

GNU Webster's 1913

1. v. (Naut.) To put (a vessel) on the other tack by veering her short round on her heel; -- so called from the circumstance of bracing the head yards abox (i. e., sharp aback, on the wind).