noun

• (money) A subunit of currency equal to one-hundredth of the main unit of currency in many countries. Symbol: ¢.
• (informal) A small sum of money.
• (money) A subunit of currency equal to one-hundredth of the euro.
• (money) A coin having face value of one cent (in either of the above senses).
• (music) A hundredth of a semitone or half step.
• (nuclear physics) A unit of reactivity equal to one hundredth of a dollar.
• Abbreviation of century. [A period of 100 consecutive years; often specifically a numbered period with conventional start and end dates, e.g., the twentieth century, which stretches from (strictly) 1901 through 2000, or (informally) 1900 through 1999. The first century AD was from 1 to 100.]
• (obsolete, except in per cent and cent percent) Abbreviation of centum. One hundred. [(Sanskrit and other Indian philology) Satakam, set of one hundred verses connected by the same metre or topic.]
• Abbreviation of centigrade. [(uncountable) A centigrade temperature scale having the freezing point of water defined as 0° and its boiling point defined as 100° at standard atmospheric pressure. Although formally known as the Celsius scale since 1948, centigrade is still the more commonly found term.]
• Abbreviation of center. [The point in the interior of a circle that is equidistant from all points on the circumference.]