muriaticus

mŭrĭātĭcus, a, um, adj. [muria],

• pickled or lying in brine; perh. only as subst.: mŭrĭātĭcum, i, n., a pickled fish (Plautinian), Plaut. Poen. 1, 2, 32 (241): (coqua) scit, muriatica ut maceret, id. ib. 1, 2, 38 (247).