[ groh-muh ]
/ ˈgroʊ mə /

noun (in ancient Roman surveying)

an instrument having a cruciform wooden frame with a plumb line at the end of each arm, used for laying out lines at right angles to existing lines.

Nearby words

  1. groin,
  2. groining,
  3. grok,
  4. grolier,
  5. grolier de servières,
  6. grommet,
  7. gromwell,
  8. gromyko,
  9. gronchi,
  10. gronchi, giovanni

Origin of groma

< Latin grōma, grūma, by dissimilation < Greek gnôma, presumably with sense of gnṓmōn carpenter's square; see gnomon Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019