1. Adjective.  The ordinal form of the number six.
  2. Noun.  (qualifier, not used in the plural) The person or thing in the sixth position.
  3. Noun.  One of six equal parts of a whole.
  4. Noun.  (music) The interval between one note and another, five notes higher in the scale, for example C to A, a major sixth, or C to A flat, a minor sixth. (Note that the interval covers six notes counting inclusively, for example C-D-E-F-G-A.).

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This entry was last updated on RefTopia from its source on 3/20/2012.