connected with office work 办公室工作的 clerical workers/staff/assistants 办公室工作人员；全体办事员；文书助理 a clerical error (= one made in copying or calculating something) 笔误（誊写或计算中的错误）
connected with the clergy (= priests) 圣职人员的；神职人员的 a clerical collar (= one that fastens at the back, worn by some priests) 圣职人员白领
Word Originlate 15th cent. (in sense (2)): from ecclesiastical Latin clericalis, from clericus ‘clergyman’, from Greek klērikos ‘belonging to the Christian clergy’, from klēros ‘lot, heritage’ (Acts 1:26).