What is the meaning of "set foot"?

The meaning of "set foot" is:

go into, enter

What is the definition of "set foot"?

The definition of "set foot" is:

go into, enter

"set foot" means

go into, enter

Example Sentence:

That restaurant was horrible! I will never set foot in there again!

I am never setting foot in that store, because I didn’t like the service.

When the attractive woman set foot in the party, everyone stared at her.