Definitions

1. noun

a dark grey or black porous and brittle residue left when wood or other organic material is burned

“The campers used charcoal to grill their burgers over an open flame.”

2. verb

to burn or reduce (something) to charcoal

“The fire burned and charcoaled the wood into a black, powdery residue.”

3. noun

a type of black powder used in drawing or writing

“She used charcoal to sketch a portrait of her friend.”