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[sen-i-kuh] /ˈsɛn ɪ kə/
noun, plural Senecas (especially collectively) Seneca for 1.
a member of the largest tribe of the Iroquois Confederacy of North American Indians, formerly inhabiting western New York and being conspicuous in the wars south and west of Lake Erie.
an Iroquoian language of the Seneca, Onondaga, and Cayuga tribes.
Origin of Seneca
New York Dutch
< New York Dutch Sennecaas, etc., orig. applied to the Oneida and, more generally, to all the Upper Iroquois (as opposed to the Mohawk), probably < an unattested Mahican name
Related forms
Senecan, adjective


[sen-i-kuh] /ˈsɛn ɪ kə/
Lucius Annaeus
[uh-nee-uh s] /əˌni əs/ (Show IPA),
c4 b.c.–a.d. 65, Roman philosopher and writer of tragedies. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for Seneca
Contemporary Examples
Historical Examples
  • We may survive; and if we do not, I will repeat the lessons of my Seneca, and die with a good heart.

    Frankenstein Mary Shelley
  • Haven't you read the learned treatise that Seneca composed on anger?

  • Seneca was a Stoic, and taught self-control, tranquillity of mind, and contempt for the changes of fortune.

    A Smaller History of Rome William Smith and Eugene Lawrence
  • Seneca is of opinion, that he was suspected to be as much given to wine as Arcesilaus.

    Ebrietatis Encomium Boniface Oinophilus
  • And yet all that Seneca's daring could venture was to seduce the baby-tyrant into the least injurious of tyrannies.

    If, Yes and Perhaps Edward Everett Hale
British Dictionary definitions for Seneca


(pl) -cas, -ca. a member of a North American Indian people formerly living south of Lake Ontario; one of the Iroquois peoples
the language of this people, belonging to the Iroquoian family
Word Origin
C19: from Dutch Sennecaas (plural), probably of Algonquian origin


Lucius Annaeus (əˈniːəs), called the Younger. ?4 bc–65 ad, Roman philosopher, statesman, and dramatist; tutor and adviser to Nero. He was implicated in a plot to murder Nero and committed suicide. His works include Stoical essays on ethical subjects and tragedies that had a considerable influence on Elizabethan drama
his father, Marcus (ˈmɑːkəs) or Lucius Annaeus, called the Elder or the Rhetorician. ?55 bc–?39 ad, Roman writer on oratory and history
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
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Word Origin and History for Seneca

1610s, from Dutch Sennecas, collective name for the Iroquois tribes of what became upper New York, of uncertain origin, perhaps from a Mahican name for the Oneida or their village. Earlier sinnekens, senakees; form probably influenced by the name of the ancient Roman philosopher.

Online Etymology Dictionary, © 2010 Douglas Harper
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Seneca in Technology
The Free On-line Dictionary of Computing, © Denis Howe 2010
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