Meaning & use
Romer
Last updated
A transparent measuring tool with parallel scales used to read precise grid coordinates from a map.
See it in a sentence
The navigator used a romer to pinpoint the exact grid reference on the chart.
Every orienteering compass comes with a small romer printed on its base plate.
A note on using this word
The tool's name is linked to the Danish astronomer Ole Rømer, associated with similar graduated measuring scales.
Words with a similar meaning
grid scale
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