A simple metal cap with a rounded edge is commonly used.
"See the way the front is wide with a rounded edge, then tapers back toward the end?"
This controls whether the bend in the response curve is a sharp angle or has a rounded edge.
He'd go back and over the rounded edge, and fall.
I reach down and grip the side of the table, the smooth, rounded edge unyielding against my fingers.
Feel the rounded edge, observe the smooth curves of glass.
The rounded edge of the abdomen has lighter coloured markings.
Place a neck down into the cream at the rounded edge of each body.
"I saved money by picking straight sides, rather than rounded edges," he said.
Wane is the rounded edge on a piece of lumber.