from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A perennial herb (Psoralea esculenta) in the pea family, native to prairies and plains in central North America, and having a tuberous, starchy root that was an important food for many Native Americans. Also called prairie potato.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The edible root of a leguminous plant (Psoralea esculenta).

from the GNU version of the Collaborative International Dictionary of English

  • n. The root of a leguminous plant (Psoralea esculenta), found near the Rocky Mountains. It is usually oval in form, and abounds in farinaceous matter, affording sweet and palatable food.

from The Century Dictionary and Cyclopedia

  • n. A plant of the genus Psoralea, the P. esculenta. See Psoralea.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. densely hairy perennial of central North America having edible tuberous roots


bread +‎ root (Wiktionary)


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