六ろく分ぶん儀ぎろくぶんぎFreq.FrequencyTop 100,000Meanings1nounsextantA navigational instrument used to measure the angle between two visible objects, especially for determining latitude and longitude at sea.船ふな乗のりは六ろく分ぶん儀ぎを使つかって現げん在ざい位い置ちを確かく認にんし
