北ほく天てんほくてんMeanings1nounnorthern sky; northern heavensRefers to the northern part of the sky, often in astronomical or poetic contexts. Contrasts with 南天 (southern sky).See also: 南天北ほく天てんに北ほく斗と七しち星せいが輝かがやいている。The Big Dipper is shining in the northern sky.