How to pronounce capital:
Example: "Printers once kept the type for capitals and for small letters in separate cases; capitals were kept in the upper half of the type case and so became known as upper-case letters"
Example: "The crime capital of italy"
Example: "A capital fellow"
Example: "Our capital concern was to avoid defeat"
Of prime importance.
Chief, in a political sense, as being the seat of the general government of a state or nation.
Example: "London and paris are capital cities."
Excellent.
Example: "That is a capital idea!"
Involving punishment by death.
Uppercase.
Example: "One begins a sentence with a capital letter."
Of or relating to the head.