せいもん正門seimon
1.

A prominent entrance typically positioned at the front of a building, distinguished from other access points and often serving as the primary entryway.

2.

The main gate that serves as the formal approach to a structure, emphasizing its significance and often used for ceremonial purposes.

3.

An entrance located at the front facade of a property, often symbolizing the main point of access and typically designed to be visually striking.

Example:

車が正門のところへきて止まった。