sheet anchor /shēt angˈkər/

1. An extra anchor for an emergency (nautical)
2. A chief support
3. A last refuge

• catastrophist
• catastrophists
• catatonia
• catatonias
• catatonic
• catatony
• catawba
• catawbas
• Catayan
• catbird
• catbirds
• catboat
• catboats
• cat-burglar
• cat-burglars
• catcall
• catcalled
• catcalling
• catcalls
• catch
• Catch-22
• catchable
• catch a crab
• catch-all
• catch-as-catch-can