ship's biscuit

ship's biscuit (countable and uncountable, plural ship's biscuits)

1. (nautical) hardtack
   • 1899 February, Joseph Conrad, “The Heart of Darkness”, in Blackwood’s Edinburgh Magazine, volume CLXV, number M, New York, N.Y.: The Leonard Scott Publishing Company, […], OCLC 1042815524, part I, page 206:

     I found nothing else to do but to offer him one of my good Swede’s ship’s biscuits I had in my pocket.

   • 1941, Emily Carr, Klee Wyck, Chapter 21,

     I found a ship's biscuit and a wizened apple in my sketch sack. They smelled of turpentine and revolted my appetite. At dusk I ate them greedily.

• ship biscuits