The Collaborative International Dictionary of English v.0.48:

Convene \Con*vene"\, v. i. [imp. & p. p. Convened; p. pr. &
   vb. n. Convenong.] [L. convenire; con- + venire to come:
   cf. F. convenir to agree, to be fitting, OF. also, to
   assemble. See Come, and cf. Covenant.]
   1. To come together; to meet; to unite. [R.]
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            In shortsighted men . . . the rays converge and
            convene in the eyes before they come at the bottom.
                                                  --Sir I.
                                                  Newton.
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   2. To come together, as in one body or for a public purpose;
      to meet; to assemble. --Locke.
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            The Parliament of Scotland now convened. --Sir R.
                                                  Baker.
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            Faint, underneath, the household fowls convene.
                                                  --Thomson.

   Syn: To meet; to assemble; to congregate; to collect; to
        unite.
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The Collaborative International Dictionary of English v.0.48:

Convene \Con*vene"\, v. t.
   1. To cause to assemble; to call together; to convoke.
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            And now the almighty father of the gods
            Convenes a council in the blest abodes. --Pope.
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   2. To summon judicially to meet or appear.
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            By the papal canon law, clerks . . . can not be
            convened before any but an ecclesiastical judge.
                                                  --Ayliffe.
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WordNet (r) 3.0 (2006):

convene
    v 1: meet formally; "The council convened last week"
    2: call together; "The students were convened in the auditorium"
       [syn: convoke, convene]