coal

noun8

1. •
   a black rock that formed from plants long ago and that people burn for heat and power

   • The coal in this region was prized by ironmasters in centuries past, who mined it in the spots where the drainage methods of the day permitted.
2. •
   A type of coal, such as bituminous, anthracite, or lignite, and grades and varieties thereof, as a fuel commodity ready to buy and burn.

   • Put some coal on the fire.
   • Order some coal from the coalyard.
3. •
   A glowing or charred piece of coal, wood, or other solid fuel.

   • hot coals
   • glowing coals
4. •
   A piece of coal used for burning (this use is less common in American English)

   • Put some coals on the fire.
5. •
   Charcoal.
6. •
   (Internet) Content of low quality.

   • I'm so sick of seeing this coal online.
7. •
   (slang) Bombs emitting black smoke on impact.
8. •
   (slang, no longer used) Money.

verb5

1. •
   To take on a supply of coal (usually of steam ships or locomotives).

   • Our next stopping-place was Newcastle, and here we coaled in earnest, for the steamer was flying light, and was loaded up in every available place. — 1887
2. •
   To supply with coal.

   • January 1917, National Geographic Magazine, Volume 31 Number 1, One Hundred British Seaports Cruisers may be coaled at sea and provided with ammunition openly. The submarine may not
3. •
   To be converted to charcoal.

   • After the initial burn the goal of any good fire should be coaling; that is, creating a bed of solid coals that will sustain the fire. — 2014
4. •
   To burn to charcoal; to char.

   • Char-coal of roots, coaled into great pieces. — 1622
5. •
   To mark or delineate with charcoal.

   • […] marvailing, he coaled out these rithms upon the wall near to the picture — 1551

adjective1

1. •
   Black like coal; coal-black.

   • Just entering the ballroom were a cat and a bird. The cat had black ears nestled in his coal hair and a purple mask over his violet eyes. He had a long ebony tail. 99 9. — 2011

noun1

1. •
   Abbreviation of coalition.