from The American Heritage® Dictionary of the English Language, 4th Edition

  • conj. And not; or not; not either: has neither phoned nor written us; life forms that are neither plants nor animals.
  • conj. Chiefly Southern & Midland U.S. Than.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • conj. And not (introducing a negative statement, without necessarily following one)
  • conj. A function word introducing each except the first term or series, indicating none of them is true
  • conj. Used to introduce a further negative statement
  • conj. than
  • n. Alternative form of NOR.

from the GNU version of the Collaborative International Dictionary of English

  • conj. A negative connective or particle, introducing the second member or clause of a negative proposition, following neither, or not, in the first member or clause (as or in affirmative propositions follows either). Nor is also used sometimes in the first member for neither, and sometimes the neither is omitted and implied by the use of nor.

from The Century Dictionary and Cyclopedia

  • And not: generally used correlatively after a negative, introducing a second or a subsequent negative member of a clause or sentence.
  • Correlative to another nor.
  • With the omission of neither or nor in the first clause or part of the proposition.
  • Correlative to some other negative.
  • And … not: not correlative, but merely continuative.
  • [In this use formerly used with another negative, merely cumulative, nor being then equivalent, logically, to and.
  • Than: after comparatives. Compare or in like use.
  • An abbreviation of Norman.


Middle English : ne, no; see no1 + or, or; see or1.
Middle English, perhaps ultimately from nor, nor; see nor1.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Middle English nauther, from nother. Cognate with neither. (Wiktionary)
Possibly Blend of not and or; alternatively, short for "negation of OR". (Wiktionary)



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