Origin of coalbin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for coalbin
There should be a window in the coalbin through which the coal can be put in.
If this is not possible, the next best thing is to have the coalbin enclosed, for the coal makes the worst of the cellar dirt.
I smile now as I recall that watermelon grin, when the darkey yawned like a coalbin in expression of his greeting.On a Donkey's Hurricane Deck
R. Pitcher Woodward