The Collaborative International Dictionary of English v.0.48:

Commune \Com*mune"\ (k[o^]m*m[=u]n"), v. i. [imp. & p. p.
   Communed (k[o^]m*m[=u]nd"); p. pr. & vb. n. Communing.]
   [OF. communier, fr. L. communicare to communicate, fr.
   communis common. See Common, and cf. Communicate.]
   1. To converse together with sympathy and confidence; to
      interchange sentiments or feelings; to take counsel.
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            I would commune with you of such things
            That want no ear but yours.           --Shak.
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   2. To receive the communion; to partake of the eucharist or
      Lord's supper.
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            To commune under both kinds.          --Bp. Burnet.
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   To commune with one's self or To commune with one's
   heart, to think; to reflect; to meditate.
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