Nearest Snap tool
Use the Nearest Snap tool to snap to the nearest point of another entity. You can snap to the nearest point on an arc, circle, ellipse, elliptical arc, line, point, polyline segment, ray, spline, infinite line, or hatch pattern that is visually closest to the cursor.
Do one of the following to choose Nearest Snap ():
On the ribbon, choose Draw > Nearest Snap (in Entity Snaps).
On the menu, choose Tools > Entity Snap > Nearest Snap.
On the Entity Snaps toolbar, click the Set Nearest Snap tool.
Type nearest and then press Enter.