noun
collection of short stories; short story collection
Refers to a book or volume that compiles multiple short stories, typically by one or more authors.
彼の新しい短編集が来月発売される。
His new collection of short stories will be released next month.
この短編集には10の物語が収められて
This short story collection contains ten tales.
作品集 is a broader term for a collection of works (not limited to short stories), whereas 短編集 is exclusively for short stories.
Compound of 短編 (short story) + 集 (collection).