A man who is the senior member of a group.

synonym: dean.

Roget 128: age; oldness^† etc. adj.; old age, advanced age, golden years; senility, senescence; years, anility^†, gray hairs, climacteric, grand climacteric, declining years, decrepitude, hoary age, caducity^†, superannuation; second childhood, second childishness; dotage; vale of years, decline of life, sear and yellow leaf" [Macbeth]; threescore years and ten; green old age, ripe age; longevity; time of life.    seniority, eldership; elders etc. (veteran) 130; firstling; doyen, father; primogeniture.    [Science of old age.] geriatrics, nostology^†.    ... show more

Dutch: deken, Doyen, doyen, oudste