What does the word "rat" mean in the sentence below?

My brother was doing something wrong, so I had to rat him out to my mom.

What does the word "rat" mean in the sentence below?

My brother was doing something wrong, so I had to rat him out to my mom.

What does the word "ruler" mean in the sentence below?

I had to measure something. I got out my ruler to do so.

What does the word "ruler" mean in the sentence below?

I had to measure something. I got out my ruler to do so.

What does the word "mug" mean in the sentence below?

My mom made me a glass of hot chocolate in a mug.

What does the word "mug" mean in the sentence below?

My mom made me a glass of hot chocolate in a mug.

What does the word "cake" mean in the sentence below?

I thought the math problem was not very hard. I told my dad it was a piece of cake.

What does the word "cake" mean in the sentence below?

I thought the math problem was not very hard. I told my dad it was a piece of cake.

What does the word "bat" mean in the sentence below?

I was playing in a baseball game. My coach told me I was next up to bat.

What does the word "bat" mean in the sentence below?

I was playing in a baseball game. My coach told me I was next up to bat.