springform pan

[ spring-fawrm ]
/ ˈsprɪŋˌfɔrm /

noun

a metal cake pan with sides that can be unfastened to facilitate releasing the cake when done.

Origin of springform pan

First recorded in 1925–30; spring + -form
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019