groma

[ 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

1
<Latin grōma, grūma, by dissimilation <Greek gnôma, presumably with sense of gnṓmōn carpenter's square; see gnomon

Words Nearby groma

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