coal drop
Noun
Meaning
coal drop (plural coal drops)
An elevated railway track designed to allow material to fall freely between the rails onto the ground beneath. It is used to rapidly unload hoppers containing coal and other bulk materials.
Noun
coal drop (plural coal drops)
An elevated railway track designed to allow material to fall freely between the rails onto the ground beneath. It is used to rapidly unload hoppers containing coal and other bulk materials.