ground

noun
  1. the solid surface of the earth
  2. an area of land used for a particular purpose
  3. the basis or foundation for something
verb
  1. to prevent an aircraft or pilot from flying
  2. to punish a child by not allowing them to go out
  3. Usage: informal
  4. to base something on a particular idea or belief
adjective
  1. past participle of grind; crushed into small pieces

Examples