a.

1. 整齊的；有條理的
   He gave an orderly answer to the teacher's question.

   他條理分明地回答了老師的問題。

2. 愛整潔的
3. 守秩序的；和平的
   The crowd left the square in an orderly way.

   群眾井然有序地離開了廣場。

4. 傳令的，值班的

n.[C]

1. （醫院的）勤務員，護理員
2. 勤務兵；傳令兵
3. 【英】清道夫

ad.

1. 按順序地，挨次地
2. 整齊地，有條理地

adj.

1. neatly and methodically arranged.
2. well behaved.
3. Military  charged with the conveyance or execution of orders.

n.

1. an attendant in a hospital responsible for cleaning and other non-medical tasks.
2. a soldier who carries orders or performs minor tasks for an officer.