high or higher in rank or status
he is a senior Finance Ministry official
the people senior to me in my department
a person who is a specified number of years older than someone else
she was only two years his senior
a student in one of the higher forms of a senior school
among the pupils was a senior, a boy of about seventeen
an elderly person, especially an old-age pensioner
the price is £7 for adults and £3.50 for seniors