01 n. An instrument with a revolving wheel for measuring a curved line, as on a map.
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1.
An instrument with a revolving wheel for measuring a curved line, as on a map.
Entry
1 sense
Webster, 1913
Opisometer
· Op·i·som·e·ter
· IPA /ɒpɪˈsɒmɪtə(ɹ)/