collier /kolˈyər or -i-ər/

1. A coalminer
2. A ship that carries coal
3. A sailor in such a ship
4. A charcoal burner or dealer in charcoal or coal (obsolete)

• problematised
• problematises
• problematising
• problematize
• problematized
• problematizes
• problematizing
• problem child
• problem children
• problemist
• problemists
• problem novel
• problem novels
• problem page
• problem pages
• problem play
• problems
• problem-solving behaviour
• pro bono
• pro bono publico
• Proboscidea
• proboscidean
• proboscideans
• proboscides
• proboscidian