[pet´al-ing] applying small curved pieces of moleskin to a dry plaster of Paris cast to create a smooth edge that is less likely to crumble and injure the skin.

Is Petaling a word?

one of the often colored segments of the corolla of a flower.

What does Petaling a cast mean?

Cast petaling refers to a particular method of taping the edges of the hip spica surrounding the buttocks and perineal area with waterproof tape. It is called petaling since the finished product looks similar to the petals of a flower. Cast petaling helps protect the cast from wetness.