The Collaborative International Dictionary
Sea coal
Sea coal \Sea" coal`\ Coal brought by sea; -- a name by which mineral coal was formerly designated in the south of England, in distinction from charcoal, which was brought by land.
Sea-coal facing (Founding), facing consisting of pulverized bituminous coal.
Wiktionary
sea coal
n. (context obsolete UK South of England English) mineral coal (brought by sea), distinguished from charcoal (which was then brought by land)
WordNet
sea coal
n. pulverized bituminous coal; used as a foundry facing
Usage examples of "sea coal".
I was supposed to spend this first day past the Vernal Equinox contemplating how flames licked sea coal in a brazier.