Meaning of datagram in English:

datagram

Pronunciation /ˈdeɪtəɡram/ /ˈdɑːtəɡram/

See synonyms for datagram

noun

Computing Telecommunications
  • A data packet in an Internet Protocol network which carries its own routing information for passage through the network and which does not generate an acknowledgement when received.

Origin

1970s; earliest use found in Proceedings of the AFIPS Conference. From data + -gram.