I see 部 with nouns in hashtags on Instagram (like #ねこ部), but I can only find
dictionary definitions online. I'm also unsure of the correct reading of the
kanji, so any help would be appreciated.
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2016-10-14T05:01:38.657
39981
2016-10-14T05:05:58.530
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question
meaning
What does ねこ部 mean?
I am not familiar with hashtags trends and what not, but it might mean they
are cat lovers.

部 is usually read as ぶ and usually means department, group, division, club.
Although usually used in company jargon, this time it seems to be used to
indicate that that person is in the cat group/club... maybe
CC BY-SA 3.0
2016-10-14T05:05:58.530
39982
2016-10-14T05:05:58.530
18142
39981
answer