eaves light; door light
A lamp or electric light installed under the eaves of a house, often near the entrance.
玄関の軒灯が切れているので交換した。
The eaves light by the entrance was out, so I replaced it.
夜になると、この家
At night, the eaves light of this house turns on automatically.
外灯 is a general outdoor light; 軒灯 is a specific type of outdoor light attached to the eaves.
Standard modern spelling.
Out-dated kanji form; 燈 is the old form of 灯.
Compound of 軒 (eaves) and 灯 (light).