Meaning of the word "the apple of my eye" in English

What does "the apple of my eye" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

the apple of my eye

US /ðə ˈæpəl əv maɪ aɪ/
UK /ðə ˈæpəl əv maɪ aɪ/

Idiom

a person or thing that is loved more than any other

Example:
My youngest daughter is the apple of my eye.
That classic car is the apple of his eye.