Meaning of the word "like two peas in a pod" in English

What does "like two peas in a pod" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

like two peas in a pod

US /laɪk tu pɪz ɪn ə pɑd/
UK /laɪk tu piːz ɪn ə pɒd/

Idiom

two people or things that are very similar, especially in appearance or character

Example:
My sister and I are like two peas in a pod; we even finish each other's sentences.
The twins are so similar, truly like two peas in a pod.