digitalis

[dij-i-tal-is, -tey-lis]
noun
1.
any plant belonging to the genus Digitalis, of the figwort family, especially the common foxglove, D. purpurea.
2.
the dried leaves of the foxglove, Digitalis purpurea, used in medicine as a heart stimulant.

Origin:
1655–65; < Neo-Latin digitālis, a name apparently suggested by the German name for the foxglove, Fingerhut literally, thimble; see digital

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World English Dictionary
digitalis (ˌdɪdʒɪˈteɪlɪs)
 
n
1.  any Eurasian scrophulariaceous plant of the genus Digitalis, such as the foxglove, having bell-shaped flowers and a basal rosette of leaves
2.  a.  a drug prepared from the dried leaves or seeds of the foxglove: a mixture of glycosides used medicinally to treat heart failure and some abnormal heart rhythms
 b.  any cardiac glycoside, whatever its origin
 
[C17: from New Latin, from Latin: relating to a finger (referring to the corollas of the flower); based on German Fingerhut foxglove, literally: finger-hat or thimble]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

digitalis
1664, Mod.L. translation of Ger. fingerhut, the Ger. name of "foxglove," lit. "thimble." Named by Fuchs (1542).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

digitalis dig·i·tal·is (dĭj'ĭ-tāl'ĭs)
n.

  1. A plant of the genus Digitalis, which includes the foxgloves, several species of which are a source of cardioactive steroid glycosides used in the treatment of certain heart diseases.

  2. A pharmaceutical prepared from the seeds and dried leaves of the purple foxglove, Digitalis purpurea, and prescribed as a cardiac stimulant in the treatment of congestive heart failure and other disorders of the heart.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
digitalis   (dĭj'ĭ-tāl'ĭs)  Pronunciation Key 
A drug prepared from the seeds and dried leaves of the purple foxglove, Digitalis purpurea, and prescribed as a cardiac stimulant in the treatment of congestive heart failure and other disorders of the heart.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
The heart-stimulating effects of digitalis, which comes from foxgloves, were
  known to peasants long before doctors took note.
With the exception of digitalis for heart failure and quinine for malaria,
  there were almost no effective drugs.
The foxglove plant contains a chemical, digitalis, that can regulate an
  irregular heartbeat.
Digitalis is a medication prescribed to certain heart patients.
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