coal seam



a bed of coal.

Origin of coal seam

First recorded in 1840–50 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for coal seam

  • The mining engineer, Monsieur Arnaud, was of opinion that on sinking deeper into the coal-seam a better quality would be met with.

    Cruise of the 'Alert'|R. W. Coppinger