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Dictionary

rhu•barb

Pronunciation: (rOO'bärb), [key]
—n.
1. any of several plants belonging to the genus Rheum, of the buckwheat family, as R. officinale, having a medicinal rhizome, and R. rhabarbarum, having edible leafstalks.
2. the rhizome of any medicinal species of this plant, forming a combined cathartic and astringent.
3. the edible, fleshy leafstalks of R. rhabarbarum, used in making pies, preserves, etc.
4. Slang.a quarrel or squabble.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

rhotic

rhumb

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