boundarypoint

noun
UK /ˈbaʊndəri pɔɪnt/
US /ˈbaʊndəri pɔɪnt/

A boundary point is a spot that marks the edge of an area.

The fence post is a boundary point between our yard and the park.


OTHER MEANINGS

2. A point where two regions meet or touch.

The river serves as a boundary point between the two towns.

3. In math, a point that is on the edge of a set of points.

The teacher showed that the circle's boundary point lies on the line.

4. A moment or event that marks the end of one stage and the start of another.

Graduation was a boundary point between school and work.