What does 群 mean?
群 is a Japanese noun meaning “group” in English. It is written as 群 in kanji, ぐん in hiragana, and gun in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
牧羊犬が、羊の群を牧場へ連れていく。
A sheep dog drives the flock to the pasture.