Boxhaul \Box"haul`\, v. t. [imp. & p. p. {Boxhauled}.] (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). --Totten.
[1913 Webster]