Definition of reblog in English:

reblog

verb

[with object]
  • (on a blog) post (content that has previously been posted on another blog)

    ‘do you mind if I reblog your article?’
    ‘his account of the crash has been widely reblogged’

noun

  • An act or instance of posting content on one blog that has previously been posted on another.

    ‘their first official post got four reblogs’
    ‘thanks so much for the reblog!’

Pronunciation

reblog

/riːˈblɒɡ/