mayoralty

noun

1. (countable, uncountable)The office of a mayor, or the tenure during which a particular mayor holds office, where the time span may encompass one term or multiple terms.

   “The results, coming after voters had rejected a similar effort by Mr. Chávez just 15 months ago, pointed to his resilience after a decade in power, as well as to the fragmentation of his opposition, which as recently as November had won key mayoralties and governorships.”

   “During his mayoralty, Johnson oversaw the preparations and hosting of the 2012 Summer Olympics and oversaw the cycle hire scheme, both initiated by his predecessor Ken Livingstone.”