1. Having one barrel
   "most guns are single-barreled"
   - single-barrelled [US]

Antonym: double-barreled [US]

• Cossack
• cosset
• cossie
• cost
• cost accountant
• cost accounting
• cost analysis
• cost cutting
• cost increase
• cost ledger
• cost of capital
• cost of living
• cost overrun
• cost-benefit analysis
• cost-effective
• cost-efficient
• cost-of-living allowance
• cost-of-living benefit
• cost-of-living index
• cost-plus
• cost-plus contract
• cost-pull inflation
• costa
• Costa Rica
• Costa Rican