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Webster 1913 Edition

(? or ?)

obs.

imp.

flong ‎(plural flongs)

(printing) A mould, especially one made from papier-mâché, used to create a stereotype.
- 1892: Stereotyping, the Papier Mache Process, Charles Sumner Partridge,
  A few sheets of paper are soaked in water and then pasted together to form a flong. This flong is beaten into a page of type and dried, thus forming a matrix to receive the molten metal, which, when cooled, becomes an exact duplicate of the type page.

flong