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

  • n. Something that cannot be classified into either of two groups considered exhaustive; an intermediate thing or factor.
  • n. A third person or thing of indeterminate character.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. something intermediate between two classifications

from the GNU version of the Collaborative International Dictionary of English

  • A third somewhat; something mediating, or regarded as being, between two diverse or incompatible substances, natures, or positions.

from The Century Dictionary and Cyclopedia

  • Something neither mind nor matter; especially, an idea regarded as not a mere modification of the mind nor a purely external thing in itself.
  • Hence Something mediating between essentially opposite things.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. some third thing similar to two opposites but distinct from both


Late Latin : Latin tertium, from neuter of tertius, third + quid, something.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin tertium from tertius, third + quid, thing (Wiktionary)


Sorry, no example sentences found.


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