A chord is a straight line joining two points on the circumference of a circle.

A chord is a straight line that extends from one point of the circumference of a circle to another point on the circumference and the diameter of a circle is its largest chord

A "chord" in geometry is the line connecting two points on a circle. If you think if a pie slice, the chord is the outer crust.

The area within a circle enclosed by a chord and an arc

In geometry, the line segment that goes from one point to the other point where a line intersects a circle.