(n) :
(obsolete) A salty concretion found on reeds and grasses in marshy grounds. Soft and porous, it was formerly used for cleansing the skin and to treat leprosy. Nowadays it is unclear as to the exact nature of the substance.
(n) :
(obsolete) A salty concretion found on reeds and grasses in marshy grounds. Soft and porous, it was formerly used for cleansing the skin and to treat leprosy. Nowadays it is unclear as to the exact nature of the substance.