[ groh-muh ]

noun(in ancient Roman surveying)
  1. 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.

Origin of groma

<Latin grōma, grūma, by dissimilation <Greek gnôma, presumably with sense of gnṓmōn carpenter's square; see gnomon

Words Nearby groma Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024