Is “Hardtack” a Scrabble word?
Yes
HARDTACK
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Hardtack
noun
1.A large, hard biscuit made from unleavened flour and water; formerly used as a long-term staple food aboard ships.
Synonyms: pilot biscuit, pilot bread, sea biscuit, sea bread, ship biscuit, ship's biscuit