noun
North Star; Polaris
Literary or classical term for the North Star; in modern everyday language 北極星 (ほっきょくせい) is more common.
北辰は古来より航海の道しるべとされてきた。
The North Star has been used as a guide for navigation since ancient times.
彼の信念は北辰のごとく揺るがなかった。
His conviction was as unwavering as the North Star.
Standard modern term for the North Star; 北辰 is a more literary or classical equivalent.
From Chinese 北辰 (běichén), literally 'north star' or 'northern constellation'. The exact derivation is uncertain; the spelling is conventionally associated with the North Star.