Definition of "briquette"

briquette

/bɹɪˈkɛt/

noun
plural briquettes
1. A small brick, typically made of charcoal and used for fuel.
  Quotations
  […] an eggette or briquette manufacturing contract, where, by the compression of tar with these fine particles of culm, there are made pieces of coal about the size of an egg […]
  1913, United States Congressional Serial Set, volume 6358, page 2724
2. A block of artificial stone in the form of a brick, used for paving.
3. A molded sample of solidified cement or mortar for use as a test piece for showing the strength of the material.
verb
third-person singular simple present briquettes, present participle briquetting, simple past and past participle briquetted
1. (transitive) To form (coal, etc.) into small bricks.