'Sea coal' definitions:
Definition of 'sea coal'
(from WordNet)
noun
Pulverized bituminous coal; used as a foundry facing
Definition of 'Sea coal'
From: GCIDE
- 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. [1913 Webster]
- Sea-coal facing (Founding), facing consisting of pulverized bituminous coal. [1913 Webster]