noun
Refers to dawn, especially from the 16th day of the lunar month onward when the moon is still visible at daybreak. A somewhat literary or traditional term; in everyday speech 夜明け is more common.
See also: 夜明け
有明の空に月が残っていた。
The moon remained in the dawn sky.
noun
portable paper lantern for walking at night
Abbreviation of 有明行灯. A historical item; not in common modern use.
See also: 有明行灯
「有明」は有明行灯の略称として使われた。
有明 was used as an abbreviation for 有明行灯, a portable paper lantern.
The exact derivation is uncertain. The kanji 有明 literally mean 'existing brightness', referring to the lingering moonlight at dawn.