n. The saltwort, a plant, such as those of the genera Salicornia, Salsola, and Suæda, inhabiting salt marshes and sea-coasts. The ash after burning contains barilla and other salts.n. In phytogeography, a plant adapted to the absorption of common salt or other salts and confined to or preferring a salty substratum, as the sea or the sea-shore.