east entrance; east exit
Refers to the east-side entrance or exit of a station, building, or similar facility. The distinction between entrance and exit depends on context; often used in station names.
Let's meet at the east exit of the station.
Let's meet at the station's east exit.
The east entrance of this building opens at 7 a.m.
Right after you exit through the east exit, there's a bus stop.
If you enter from the east entrance, you'll see the reception desk.
南口 and 東口 share the same 〜口 pattern but point to opposite compass directions, so learners must check which side of the building is meant.
北口 and 東口 both name a station exit by compass direction, so learners must check which side (north vs east) is meant.
place; point; part; spot; area; passage; portion · counter for places, parts, passages, etc.
Compound of 東 (ひがし, 'east') and 口 (ぐち, 'entrance/exit').