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Webster 1913 Edition

Noun.

[Gr. [GREEK] a post, slab, pillar +

-graphy

: cf. Gr. [GREEK] an inscription on a tablet.]

The art of writing or inscribing characters on pillars.

[R.]

Stackhouse.

Noun.

[Gr., a pillar; to write.] The art of writing or inscribing characters on pillars.

stelography ‎(uncountable)

The art of writing or inscribing characters on pillars.
- 1767, Thomas Stackhouse, A new history of the Holy Bible (chapter IV)
  […] this pillar thus engraved (as it was the first of its kind that we have upon record) gave probably the origin to the invention of stelography, or the ancient manner of writing upon stone, ever after […]