What is raptide in the book The Lightning Thief?

There is no mention of "raptide" in Rick Riordan's *The Lightning Thief*. It's possible you're misremembering or have a typo.

Perhaps you're thinking of:

* "Rapier," a type of sword. While not explicitly mentioned in *The Lightning Thief*, swords are a common weapon in the world of Greek mythology.

* "Rapids," a section of a river with fast-moving water. This might relate to the River Styx, which plays a significant role in the book.

* "Rapid" itself, meaning something happening quickly or suddenly, which could relate to the quick pace of the story.

Please provide more context about where you encountered the term "raptide" and we can help you find the right word!