• synonyms


  1. the dried root of a milkwort, Polygala senega, of the eastern U.S., used as an expectorant and diuretic.
  2. the plant itself.
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Origin of senega

1730–40; variant of Seneca, from its use by this tribe
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for senega

Historical Examples of senega

British Dictionary definitions for senega


  1. a milkwort plant, Polygala senega, of the eastern US, with small white flowers
  2. the root of this plant, used as an expectorant
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Also called (US and Canadian): senega snakeroot, seneca snakeroot

Word Origin for senega

C18: variant of Seneca (the Indian tribe)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

senega in Medicine


  1. The dried roots of the Seneca snakeroot, used medicinally as an expectorant.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.