Answer: hardtack

AnswerCrossword Clue
HARDTACK

Army and Navy ration.

HARDTACK

Prospector's fare.

HARDTACK

Unleavened bread.

HARDTACK
Pilot bread.
HARDTACK
Sailor's fare.
HARDTACKShip biscuit.
HARDTACKBiscuit of a sort.
HARDTACKSailor's ration
HARDTACKSea biscuit (or Seabiscuit's sire)