Definition of meresauce in US English:

meresauce

noun

historical
  • Brine used for pickling and marinading.

Origin

Late Middle English. From mere + sauce, probably after Old French salmuire saline solution from post-classical Latin salimuria, salemoria from classical Latin sal salt + muria brine used for pickling. With the transposition of elements compare vert-sauce, and Anglo-Norman mirsaude salt, brine.

Pronunciation

meresauce

/ˈmɪəsɔːs/