n 1 : an Algerian plant (Halogeton souda) formerly burned as a source of sodium carbonate 2 : an impure sodium carbonate made from the ashes of barillas and formerly used esp. in making soap and glass .
Similar sounding terms: bar·ley Beer's law bor·re·lia braille
Published under license with Merriam-Webster, Incorporated. © 1997-2018.