Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An Ancient Roman construction technique, using irregular-shaped and randomly placed uncut stones or fist-sized tuff blocks inserted in a core of opus caementicium, or Roman concrete.

from the GNU version of the Collaborative International Dictionary of English

  • adj. a kind of masonry employed in building walls, in which the stones were not squared nor laid in courses; rubblework.
  • n. See under Incertum.

Etymologies

Latin (Wiktionary)

Examples

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