fortress /förˈtrəs or fōrˈ/

1. A fortified place
2. A defence

To guard

• limbecs
• limbed
• limber
• limbered
• limbering
• limberneck
• limberness
• limbers
• limber up
• limb-girdle
• limb-girdles
• limbi
• Limbi
• limbic
• limbic system
• limbing
• limbless
• limbmeal
• limbo
• Limbo
• limboed
• limboing
• limbos
• Limbos
• limbous