huáng dào
the ecliptic (the plane of the solar system)
huáng dào shí èr gōng
see 十二宮|十二宫[shi2 er4 gong1]
shǔ huáng dào hēi
to enumerate what is black and yellow (idiom); to criticize sb behind his back to incite quarrels
also written 數黑論黃|数黑论黄[shu3 hei1 lun4 huang2]