Meaning of the word costco in English

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

costco

US /ˈkɑst.koʊ/
UK /ˈkɒst.kəʊ/

Trademark

a large American multinational corporation that operates a chain of membership-only warehouse clubs

Example:
We bought a bulk package of paper towels at Costco.
You need a membership to shop at Costco.