Answer:

coaler

Answer	Crossword Clue
COALER	Anthracite transporter
COALER	Fuel carrier
COALER	Fossil fuel transport

COALER	Fuel ship
COALER	Fossil-fuel hauler
COALER	Cargo vessel.
COALER	Fueling ship.
COALER	Freight ship.
COALER	Fueling vessel.
COALER	Cargo ship of a sort.
COALER	Cargo ship.

COALER	Ship with a certain cargo.
COALER	Kind of ship.
COALER	Supply ship
COALER	Freighter
COALER	Ship
COALER	Ship carrying a fuel
COALER	Freight-car type
COALER	Certain freight train

COALER	Certain fuel carrier
COALER	Fossil fuel freighter
COALER	Fuel-toting freight train
COALER	Fuel hauler

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.