Definition of "necro" in Anglais

verb

1. (Internet) To make a new post to a forum discussion that has been dormant for a long time, making the thread visible in the list of active topics; to bump.

   • Sorry to necro a comment from three years ago, but …

2. (Internet, video games and card games slang) To practice necromancy; to bring back from the dead.

noun

1. (Internet, video game and card game slang) Necromancer.