from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A perennial herb (Gypsophila struthium) whose root was formerly used as a substitute for soap.
from the GNU version of the Collaborative International Dictionary of English
- n. A perennial herb (Gypsophila Struthium) the root of which is used in Spain as a substitute for soap.
from The Century Dictionary and Cyclopedia
- n. A Spanish herb, Gypsophila Struthium, whose root contains saponin. Also called Egyptian or Spanish soaproot.
- n. A Californian bulbous plant, Leucocrinum montanum, of the lily family, bearing white fragrant flowers close to the ground in early spring.
- n. The soapwort, Saponaria officinalis.
- n. The soap-plant, Chlorogalum pomendianum.
soap + root (Wiktionary)