The Collaborative International Dictionary of English v.0.48:

Consort \Con"sort\ (k[o^]n"s[^o]rt), n. [L. consore, -sortis;
   con- + sors lot, fate, share. See Sort.]
   1. One who shares the lot of another; a companion; a partner;
      especially, a wife or husband. --Milton.
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            He single chose to live, and shunned to wed,
            Well pleased to want a consort of his bed. --Dryden.
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            The consort of the queen has passed from this
            troubled sphere.                      --Thakeray.
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            The snow-white gander, invariably accompanied by his
            darker consort.                       --Darwin.
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   2. (Naut.) A ship keeping company with another.
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   3. Concurrence; conjunction; combination; association; union.
      "By Heaven's consort." --Fuller. "Working in consort."
      --Hare.
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            Take it singly, and it carries an air of levity;
            but, in consort with the rest, has a meaning quite
            different.                            --Atterbury.
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   4. [LL. consortium.] An assembly or association of persons; a
      company; a group; a combination. [Obs.]
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            In one consort' there sat
            Cruel revenge and rancorous despite,
            Disloyal treason, and heart-burning hate. --Spenser.
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            Lord, place me in thy consort.        --Herbert.
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   5. [Perh. confused with concert.] Harmony of sounds; concert,
      as of musical instruments. [Obs.] --Milton.
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            To make a sad consort';
            Come, let us join our mournful song with theirs.
                                                  --Spenser.
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   Prince consort, the husband of a queen regnant.

   Queen consort, the wife of a king, as distinguished from a
      queen regnant, who rules alone, and a queen dowager,
      the window of a king.
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The Collaborative International Dictionary of English v.0.48:

Consort \Con*sort"\ (k[o^]n*s[^o]rt"), v. i. [imp. & p. p.
   Consorted; p. pr. & vb. n. Consorting.]
   To unite or to keep company; to associate; -- used with with.
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         Which of the Grecian chiefs consorts with thee?
                                                  --Dryden.
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The Collaborative International Dictionary of English v.0.48:

Consort \Con*sort"\, v. t.
   1. To unite or join, as in affection, harmony, company,
      marriage, etc.; to associate.
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            He with his consorted Eve.            --Milton.
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            For all that pleasing is to living ears
            Was there consorted in one harmony.   --Spenser.
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            He begins to consort himself with men. --Locke.
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   2. To attend; to accompany. [Obs.]
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            Thou, wretched boy, that didst consort him here,
            Shalt with him hence.                 --Shak.
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WordNet (r) 3.0 (2006):

consort
    n 1: the husband or wife of a reigning monarch
    2: a family of similar musical instrument playing together [syn:
       choir, consort]
    v 1: keep company with; hang out with; "He associates with
         strange people"; "She affiliates with her colleagues" [syn:
         consort, associate, affiliate, assort]
    2: go together; "The colors don't harmonize"; "Their ideas
       concorded" [syn: harmonize, harmonise, consort,
       accord, concord, fit in, agree]
    3: keep company; "the heifers run with the bulls to produce
       offspring" [syn: run, consort]