名詞 dean:

1. an administrator in charge of a division of a university or college
2. United States film actor whose moody rebellious roles made him a cult figure (1931-1955)
   同義詞：James Dean, James Byron Dean
3. a man who is the senior member of a group
   同義詞：doyen
4. (Roman Catholic Church) the head of the College of Cardinals

1. The dean returned in the late afternoon.
   系主任是在傍晚時分回來的。
2. He rushed off another10 copies dean.
   他又給主任趕印了10份。
3. I've heard John Williams will be Dean of our department.
   我聽說約翰·威廉要做我們系主任了。
4. He was elected the dean of our department.
   他被選為我們系的系主任。

dean

n.（名詞）

An administrative officer in charge of a college, faculty, or division in a university.
大學的學院院長；系主任：在大學里負責管理一個學院、系或部門的官員
An officer of a college or high school who counsels students and supervises the enforcement of rules.
教務長；教導主任；事務主任：在大學的學院或中學里輔導學生并監(jiān)督校規(guī)執(zhí)行的官員
Ecclesiastical The head of the chapter of canons governing a cathedral or collegiate church.
【基督教會】 主任教師：官方名冊上全體教士的頭領，管轄一個大教堂或一個聯(lián)合教會的教堂
Roman Catholic Church A priest appointed to oversee a group of parishes within a diocese.
【羅馬天主教】 地方主教：被任命監(jiān)督一個教區(qū)內(nèi)的一組堂區(qū)的牧師
The senior member of a body or group:
資深者：一個團體中的資深者：
例句：
the dean of the Washington diplomatic corps.
華盛頓外交使團中的泰斗

來源：
Middle English deen
中古英語 deen
from Old French deien
源自 古法語 deien
from Late Latin dec3nus [chief of ten]
源自 后期拉丁語 dec3nus [0人中的首領]
from Greek dekanos
源自 希臘語 dekanos
from deka [ten] * see dekô
源自 deka [十] *參見 dekô

【引伸】
dean.ship.
n.（名詞）