Definitions

1. noun

A part of a domain name that is subordinate to the main domain name, often used to organize multiple websites or sections of a website.

“The company has multiple subdomains for different departments, such as marketing.example.com and sales.example.com.”

2. noun

A domain name that is part of a larger domain, often used in email addresses or website URLs.

“The email address is john.subdomain.example.com.”

3. noun

A subcategory or section of a website or online service.

“The social media platform has subdomains for different countries, such as europe.platform.com.”