capital

noun
  1. the city that serves as the seat of government for a country or state
  2. wealth in the form of money or property used to start a business or investment
  3. a letter of the alphabet written in its large form
adjective
  1. relating to or being a capital city
  2. punishable by death
  3. Usage: legal
  4. excellent or first-rate
  5. Usage: informal; dated

Examples