phosphorescent lights seen at sea at night; lights on a god's altar as an offering
A rare term referring to mysterious lights observed at sea or on altars, often associated with folklore or religious contexts.
夜の海で竜灯を見たという話は、昔の船乗りの間で語り継がれている。
Stories of seeing phosphorescent lights at sea at night have been passed down among old sailors.
At Shinto shrines, lights called 竜灯 are sometimes lit on the altar as an offering to the gods.