WordReference Random House Learner's Dictionary of American English © 2015
twelve /twɛlv/USA pronunciation n. [countable]
  1. a cardinal number, 10 plus 2.
  2. a symbol for this number, as 12 or XII.
  3. a set of this many persons or things.

adj. [before a noun]
  • amounting to 12 in number.


  • Collins Concise English Dictionary © HarperCollins Publishers::

    twelve /twɛlv/ n
    1. the cardinal number that is the sum of ten and two
    2. a numeral, 12, XII, etc, representing this number
    3. something represented by, representing, or consisting of 12 units
    4. Also called: twelve o'clock noon or midnight
    determiner
    1. amounting to twelve
    2. (as pronoun): twelve have arrived
      Related adjective(s): duodecimal
    Etymology: Old English twelf; related to Old Frisian twelif, Old High German zwelif, Old Norse tolf, Gothic twalif



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