Bā-ril'la, n.

n. [Sp. barrilla.]

1. (Bot.) A sea-shore or maritime plant (Salsola soda) from which soda is made, by burning it in heaps and lixiviating the ashes. Loudon.
2. (Com.) (a.) The alkali produced from the plant, being an impure carbonate of soda, used for making soap, glass, &c., and for bleaching purposes. (b.) Impure soda obtained from the ashes of any sea-shore plant, or kelp. Ure.