from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A buckthorn (Rhamnus purshiana) native to northwest North America, the bark of which is the source of cascara sagrada.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A North American buckthorn, Rhamnus purshiana, whose bark is used as a laxative
from the GNU version of the Collaborative International Dictionary of English
- n. the dried bark of the cascara buckthorn used as a laxative; -- called also cascara sagrada.
from The Century Dictionary and Cyclopedia
- n. A bark canoe.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. dried bark of the cascara buckthorn used as a laxative
Spanish cáscara, bark, from cascar, to break off, from Vulgar Latin *quassicāre, from Latin quassāre, frequentative of quatere, to shake; see kwēt- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)