adjective
of a letter :in the form A, B, C, etc., rather than a, b, c :uppercase
having the main offices of a government
of a crime :having death as a possible punishment
chiefly Brit old-fashioned :excellent
noun
plural -tals
[noncount] money, property, etc., that is used to start or operate a business
the money, property, etc., that a person or business owns
[count] :a letter in the form A, B, C, etc. :a capital letter
[count] a city in which the main offices of a government are located :a capital city
the most important city for an activity or product