1. plural of defence; methods or structures used to protect against attack or harm
Usage: British spelling
2. arguments or evidence presented to justify or excuse something
Usage: British spelling
3. the players or team members responsible for preventing the opposing team from scoring
Usage: British spelling; sports

Examples

• The castle’s defences included high walls and a deep moat.
• The country strengthened its air defences after the threat.
• His defences of the policy were unconvincing to critics.
• She offered no defences for her late arrival.
• The team’s defences were solid throughout the match.
• Coastal defences protected the harbor from enemy ships.