01 n. A turning point; the principal or highest point; top; summit; crown; apex.
pl.
Vertexes, Vertices ((#))
-
1.
A turning point; the principal or highest point; top; summit; crown; apex.
-
2.
The top, or crown, of the head.(Anat.)
-
3.
The zenith, or the point of the heavens directly overhead.(Astron.)
-
4.
The point in any figure opposite to, and farthest from, the base; the terminating point of some particular line or lines in a figure or a curve; the top, or the point opposite the base.(Math.)
Phrases & compounds
Vertex of a curve —
the point in which the axis of the curve intersects it.
Vertex of an angle —
the point in which the sides of the angle meet.
Vertex of a solid —
the point in which the axis pierces the surface.