A springform pan is a type of bakeware that features sides that can be removed from the base. Springform refers to the construction style of this pan. The base and the sides are separate pieces that are held together when the base is aligned with a groove that rings the bottom of the walls. The pan is then secured by a latch on the exterior of the... Found on http://en.wikipedia.org/wiki/Springform_pan
A round pan with high, straight sides (2 1/2 to 3") that expand with the aid of a spring or clamp. The bottom of the pan can be removed from the sides when the clamp is released Found on http://www.wrenscottage.com/kitchen/glossary.php