A "cake pedestal" refers to a stand or platform on which a cake is placed to give it a higher and more important position, making it more visually appealing and easier to serve. Full definition
We received a beautiful milk glass cake pedestal as a wedding gift and I loved it so much, I decided it needed some friends to keep it company. (lovelandlodge.com)
I was thrilled to find the small marble top cake pedestal recently. (theinspiredroom.net)
Colorful Fuji apples are sitting on a small cake pedestal for height and dimension. (meeganmakes.com)