Found 1 items, similar to Pos.
English → English (WordNet) Definition: Po Po n 1: 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 [syn: polonium, atomic number 84] 2: a noncommissioned officer in the navy with a rank comparable to sergeant in the army [syn: petty officer, P.O.] 3: a European river; flows into the Adriatic Sea [syn: Po River ] 4: an independent agency of the federal government responsible for mail delivery (and sometimes telecommunications) between individuals and businesses in the United States [syn: United States Post Office, US Post Office, Post Office ]