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)

collˈiery noun

A coalmine

• undergoes
• undergoing
• undergone
• undergown
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• undergrad
• undergrads
• undergraduate
• undergraduates
• undergraduateship
• undergraduette
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• underground
• undergrounds
• undergrove
• undergroves
• undergrown
• undergrowth
• undergrowths
• underhand
• underhanded
• underhandedly
• underhandedness
• underhandednesses
• underhands