The Collaborative International Dictionary of English v.0.48:

Compact \Com*pact"\, v. t. [imp. & p. p. Compacted; p. pr. &
   vb. n. Compacting.]
   1. To thrust, drive, or press closely together; to join
      firmly; to consolidate; to make close; -- as the parts
      which compose a body.
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            Now the bright sun compacts the precious stone.
                                                  --Blackstone.
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   2. To unite or connect firmly, as in a system.
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            The whole body fitly joined together and compacted
            by that which every joint supplieth.  --Eph. iv. 16.
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