# Definition:Covertex

## Definition

### Covertex of Ellipse

Let $K$ be an ellipse.

A covertex of $K$ is either one of the endpoints of the minor axis of $K$.

### Covertex of Hyperbola

Let $K$ be a hyperbola.

Each of the endpoints of the conjugate axis of $K$ is known as a covertex of $K$.

## Linguistic Note

The plural of covertex is covertices.