cinder

Short definition from Wiktionary

Noun

1. 1
   Partially or mostly burnt material that results from incomplete combustion of coal or wood etc.; it often rides the rising smoke column into the air, and it can pose a fire hazard when it lands, in dry conditions.
2. 2
   An ember.
3. 3
   Slag from a metal furnace.
4. 4
   Any strong stimulant added to tea, soda water, etc.

Verb

1. 1
   To reduce to cinders.
2. 2
   To cover with cinders.

Proper noun

1. 1
   A river in Alaska.
2. 2
   A female given name.