Word: postathon
Part of speech: Noun
Syllables: po
sta
thon
Definition: A period in which many messages are posted (as to an Internet newsgroup or forum).
Morphemes:
Affix: post
Language: en
PoS: Noun
Meaning: A message posted in an electronic or Internet forum, or on a blog, etc.
Affix: -athon
Language: en
PoS: Suffix
Meaning: A greatly extended period of any activity, usually for the purpose of fundraising.