Po
noun
a noncommissioned officer in the navy with a rank comparable to sergeant in the army
an independent agency of the federal government responsible for mail delivery (and sometimes telecommunications) between individuals and businesses in the United States
Origin
From Middle English po (found also in pocock), from Old English pāwa, pēa (“peacock”), from Proto-Germanic *pāwô (“peacock”), from Latin pāvō. Cognate with Dutch pauw, German Pfau. See also peacock.
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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.