whalebone
/ˈweɪlbəʊn/Definitions
1. noun
A flexible, fibrous material obtained from the skeleton of a whale, used in making corsets, umbrellas, etc.
“The old corset was made from a combination of whalebone and steel.”
2. noun
The skeleton of a whale, especially the lower jaw.
“The whalebone was discovered on the beach after the whale died.”