PO

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a noncommissioned officer in the Navy or Coast Guard with a rank comparable to sergeant in the Army
• Syn:
petty officer, P.O.
• Hypernyms:
noncommissioned officer, noncom, enlisted officer
• Hyponyms:
master-at-arms, senior chief petty officer, SCPO
2. 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
• Hypernyms:
independent agency

• Từ đồng nghĩa / Synonyms:
  United States Post Office, US Post Office, Post Office, PO, Po, Po River, petty officer, P.O., polonium, atomic number 84