pe·lo·rus /pəˈlorəs, ˈlɔr-/
方位儀; 羅經刻度盤; 啞羅經
Pe·lo·rus n. Navig. An instrument similar to a mariner's compass, but without magnetic needles, and having two sight vanes by which bearings are taken, esp. such as cannot be taken by the compass.
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