Thayer's Greek Lexicon

 1. a vessel
2. an implement
  1) in the plural
2a1. household utensils, domestic gear
2a2. the tackle and armament of vessels, used specifically
of sails and ropes
3. metaph.
  1) a man of quality, a chosen instrument
  2) in a bad sense, an assistant in accomplishing an evil deed

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"Vessel" was a common Greek metaphor for "body" since Greeks thought
of souls living temporarily in bodies.