• Webster's Revised Unabridged Dictionary
    • n Soaproot (Bot) A perennial herb (Gypsophila Struthium) the root of which is used in Spain as a substitute for soap.
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Century Dictionary and Cyclopedia
    • n soaproot A Spanish herb, Gypsophila Struthium, whose root contains saponin. Also called Egyptian or Spanish soaproot.
    • n soaproot A Californian bulbous plant, Leucocrinum montanum, of the lily family, bearing white fragrant flowers close to the ground in early spring. Soaproot is used by the Digger Indians to take trout. At the season of the year when the streams run but little water, and the fish collect in the deepest and widest holes, they cut off the water above such holes in the stream, and put soaproot rubbed to a lather into the holes, which soon causes the fish in the holes to float stupefied on the surface.
    • n soaproot The soapwort, Saponaria officinalis.
    • n soaproot The soap-plant, Chlorogalum pomendianum.
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