Seneca

[sen-i-kuh] /ˈsɛn ɪ kə/
noun, plural Senecas (especially collectively) Seneca for 1.
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.
2.
an Iroquoian language of the Seneca, Onondaga, and Cayuga tribes.
Origin
< 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

Seneca

[sen-i-kuh] /ˈsɛn ɪ kə/
noun
1.
Lucius Annaeus
[uh-nee-uh s] /əˌni əs/ (Show IPA),
c4 b.c.–a.d. 65, Roman philosopher and writer of tragedies.
British Dictionary definitions for Seneca

Seneca1

/ˈsɛnɪkə/
noun
1.
(pl) -cas, -ca. a member of a North American Indian people formerly living south of Lake Ontario; one of the Iroquois peoples
2.
the language of this people, belonging to the Iroquoian family
Word Origin
C19: from Dutch Sennecaas (plural), probably of Algonquian origin

Seneca2

/ˈsɛnɪkə/
noun
1.
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
2.
his father, Marcus (ˈmɑːkəs) or Lucius Annaeus, called the Elder or the Rhetorician. ?55 bc–?39 ad, Roman writer on oratory and history
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.

Seneca in Technology