Etymology

Noun

1. A commander in charge of ten men.
2. The senior, or eldest male member of a group.
3. A leading light, or exemplar of a particular practice or movement.
   • 2008 July 3, Amanda Schaffer, “The Sex Difference Evangelists”, part 3: “Mars, Venus, Babies, and Hormones”, in Slate,

     In an interview, even Simon Baron-Cohen, another doyen of sex-difference claims, offered up some caution.

Noun

1. dean
2. senior member, doyen