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

Antonym: double-barreled [US]

• pumping station
• pumpkin
• pumpkin ash
• pumpkin pie
• pumpkin vine
• pumpkin-shaped
• pumpkinseed
• pun
• puna
• punch
• punch bag
• punch bowl
• punch card
• punch in
• punch line
• punch out
• punch pliers
• punch press
• punch-drunk
• punch-up
• punchayet
• punchball
• punchboard
• punched card
• punched tape