adjective Nautical.
  1. (of a sailing vessel) with all sails furled and the helm lashed to head into the wind, as in heavy weather.
  2. abandoned, with decks awash.

Origin of ahull

First recorded in 1575–85; a-1 + hull2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018