demicircle
[dɛmɪˈsɜːkəɫ]
noun 2
Definitions
noun
1
A semicircle.
2
An instrument for measuring angles in surveying etc., resembling a protractor with an alidade, sights, and compass.
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noun
A semicircle.
An instrument for measuring angles in surveying etc., resembling a protractor with an alidade, sights, and compass.