postmark

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

a cancellation mark stamped on mail by postal officials;
indicates the post office and date of mailing (Freq. 1)
• Hypernyms:
marker, marking, mark

II - verb

stamp with a postmark to indicate date and time of mailing
• Syn:
frank
• Hypernyms:
stamp
• Verb Frames:
- Somebody ----s something