noun, plural Sen·e·cas ( especially collectively ) Sen·e·ca 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 DutchSennecaas, etc., orig. applied to the Oneida and, more generally, to all the Upper Iroquois (as opposed to the Mohawk), probably < an unattested Mahican name
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a chattering or flighty, light-headed person.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a fool or simpleton; ninny.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
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
[C19: from Dutch Sennecaas (plural), probably of Algonquian origin]
Seneca2 (ˈsɛnɪkə)
—n
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
1616, from Du. Sennecas, collective name for the upper N.Y. Iroquois tribes, of uncertain origin, perhaps from a Mahican name for the Oneida or their village. Earlier sinnekens, senakees; form probably infl. by the name of the ancient Roman philosopher.