Emily Dickinson Lexicon

COM-PACT', v.t.

1. To thrust, drive or press closely together; to join firmly; to consolidate; to make close; as the parts which compose a body. Now the bright sun compacts the precious stone. – Blackmore. This verb is not much used. The participle is more frequent; as, the earth's compacted sphere. – Roscommon. The solids are more strict and compacted. – Arbuthnot.
2. To unite or connect firmly, as in a system. The whole body fitly joined together and compacted. – Eph. iv.
3. To league with. Thou pernicious woman, / Compact with her that's gone. – Shak.
4. To compose or make out of. If he, compact of jars, grow musical. – Shak. In the two last examples, compact is used for compacted.