A full-cup bra is a bra that is designed to offer maximum support and coverage for one's entire breast. It's a "practical design for large-busted women".
For contrast, compare it to a demi-cup bra.
- ↑ Wikimedia Commons: "File:Modern bra fullcup.jpg"
- ↑ Wikipedia: "List of brassiere designs"
- ↑ bare necessities: "Bra Glossary"