[doi-en, doi-uh
n; Fr. dwa-yan] 
[doi-enz, doi-enz; Fr. dwa-yan] . | the senior member, as in age, rank, or experience, of a group, class, profession, etc. |
| doy·en (doi-ěn', doi'ən, dwä-yāɴ') n. A man who is the eldest or senior member of a group. [Probably French, from Old French doien, from Late Latin decānus, chief of ten; see dean.] |