Serration
"Serration" in a Sentence (1 examples)
On reaching the outer reef I was startled at the sight of the gigantic combers roaring along the serrations and knife-edges of coral, but Benny was not in the least alarmed.
On reaching the outer reef I was startled at the sight of the gigantic combers roaring along the serrations and knife-edges of coral, but Benny was not in the least alarmed.