mayor

n. elected official acting as executive head of a town or city

A mayor (from the Latin māior, meaning "larger", "greater") is the modern title of the highest ranking municipal officer. In many systems, the mayor is an elected politician who serves as chief executive and/or ceremonial official of many types of municipalities. Worldwide, there is a wide variance in local laws and customs regarding the powers and responsibilities of a mayor, as well as the means by which a mayor is elected or otherwise mandated.
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Noun
1. the head of a city government
(synonym) city manager
(hypernym) civil authority
(hyponym) ex-mayor

adj. main; bigger; major, great; of a major scale (Music); based on a major scale (Music); grown-up, adult; senior, elder; head, chief; biggest, largest; greatest

n. chief, boss; elder, senior; capital

(n.)
The chief magistrate of a city or borough; the chief officer of a municipal corporation. In some American cities there is a city court of which the major is chief judge.