What does "polytype" mean?

Polytype: A cast, or facsimile copy, of an engraved block, matter in type, etc. (see citation); as, a polytype in relief. By pressing the wood cut into semifluid metal, an intaglio matrix is produced: and from this matrix, in a similar way, a polytype in relief is obtained. Hansard.

Additional senses

  1. 2.Of or pertaining to polytypes; obtained by polytyping; as, a polytype plate.
  2. 3.To produce a polytype of; as, to polytype an engraving.

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