What does the word shimmering mean in the sentence below?

The stars were shimmering in the night sky.

Which definition represents the meaning of the word racket as it is used in the sentence below?

There was a big racket coming from the construction site.

Which word from the entry could be used in place of the word channel as it is used in the sentence below?

The boat floated on the water in the channel.

Which definition represents the meaning of the word corner as it is used in the sentence below?

Cats often corner their prey to make it easier to catch.

Which word from the entry could be used in place of the word grant as it is used in the sentence below?

The teacher will grant her students permission to go to the library.

The act or process of withdrawing, especially from something dangerous or unpleasant.

Very well-known, famous, like Paul (wait for it) Revere.

To thrust, throw, or place forcefully or suddenly into something.