Sentence:  A <WSD>partially ordered set</WSD> means a pair (P,\succ) consisting of a set P and a partial order \succ in P. As usual, when the meaning is clear, we may suppress the notation of "\succ" and speak of the <WSD>partially ordered set</WSD> P. / The ordered fields defined earlier are easily seen to be examples of <WSD>partially ordered sets</WSD>. 
Meaning of the word marked with <WSD> tags:  The ordered pair comprising a set and its partial order.