A place to keep horses or steady?

The word you're looking for is stable.

A stable is a building or structure specifically designed to house and care for horses.

Here are some examples of how to use the word "stable":

* "The horses were kept in a large, well-ventilated stable."

* "The new stable had stalls for ten horses."

* "The farmer cleaned the stable every morning."

Let me know if you have any other questions!