eldˈership noun

1. The state of being older
2. The office of an elder

eldˈest adjective

Oldest

The oldest of three or more

elder abuse noun

Any form of physical or mental cruelty to or neglect of an older person

Elder brethren plural noun

The governing members of the Corporation of Trinity House

elder care noun (US)

The provision of residential or home-based care for older people who are unable to care for themselves

elder hand or eldest hand noun

In card-playing, the player on the dealer's left, who leads

elders' hours plural noun

Respectable hours, formerly understood to mean not after 10pm

elder statesman noun

1. A retired statesman consulted by the government
2. Any administrator of age and experience
3. (in pl; with caps) a reactionary group of retired statesmen who exercised a power behind the throne in Japan in the early 20c