hull-down

== English == === Alternative forms === hull down === Adjective === hull-down (not comparable) (nautical) Of a ship: so far distant that only the masts and sails are visible above the horizon. (military) Of a tank: stopped with its hull protected by ground to the front, so that its occupants or weapons have a line of sight forward. ==== Synonyms ==== (military): in defilade, defiladed ==== Related terms ==== (nautical): hull-up (military): turret-down, turret down