Engelsk substantiv: Po | 
| 1.  | Po (om masse eller substans) a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor | 
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  | Ord med samme betydning (synonymer) | atomic number 84, polonium | 
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  | Mindre spesifikke uttrykk | metal, metallic element | 
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| 2.  | PO (om person) a noncommissioned officer in the Navy or Coast Guard with a rank comparable to sergeant in the Army | 
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  | Ord med samme betydning (synonymer) | P.O., petty officer | 
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  | Mindre spesifikke uttrykk | enlisted officer, noncom, noncommissioned officer | 
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  | Mere spesifikke uttrykk | master-at-arms, SCPO, senior chief petty officer | 
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| 3.  | Po (om ting) a European river; flows into the Adriatic Sea | 
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  | Ord med samme betydning (synonymer) | Po River | 
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  | Eksempler på mindre spesifikke uttrykk | river | 
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  | Omfatter disse overordnede uttrykkene | Italia, Italian Republic, Italy | 
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| 4.  | PO (om gruppe) an independent agency of the federal government responsible for mail delivery (and sometimes telecommunications) between individuals and businesses in the United States | 
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  | Ord med samme betydning (synonymer) | Post Office, United States Post Office, US Post Office | 
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  | Mindre spesifikke uttrykk | independent agency | 
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