Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
salgămārĭus, ii, m. [salgama], one who makes or sells pickles, ἁλμευτής, Col. 12, 56, 1.
Hence, Salgamarius, the title of a treatise by C. Matius on pickling fruits, Col. 12, 46, 1.