1. A tower with a light that gives warning of shoals to passing ships
   - beacon, lighthouse, pharos

Derived forms: beacon lights

Type of: tower

• penitential
• penitentially
• penitentiary
• penitently
• penknife
• penlight
• penman
• penmanship
• Penn
• penn'orth
• penna
• pennant
• pennate
• Pennatula
• Pennatulidae
• penne
• penni
• penniless
• pennilessness
• Pennine Chain
• Pennines
• penning
• Pennisetum
• Pennisetum Americanum
• Pennisetum cenchroides