Meaning of the word "chance upon" in English

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

chance upon

US /ˈtʃæns əˈpɑːn/
UK /ˈtʃɑːns əˈpɒn/

Phrasal Verb

to find or discover something or someone by chance

Example:
I chanced upon an old friend at the market.
While cleaning the attic, she chanced upon some antique jewelry.