noun
Tropic of Cancer
Geographical term for the northern tropic, at approximately 23.5° north latitude.
夏至線は北回帰線とも呼ばれる。
The Tropic of Cancer is also called the Northern Tropic.
Synonym for 夏至線, more commonly used in modern Japanese.
Compound of 夏至 (geshi, 'summer solstice') and 線 (sen, 'line'), referring to the line of latitude where the sun is directly overhead at the summer solstice.