poetry anthology; collection of poems; collected poems
Refers to a published or compiled collection of poems, either by one poet or by multiple poets.
She published her first collection of poems.
I borrowed an anthology of modern poetry from the library.
He published his first poetry collection.
She compiled a poetry collection by gathering works from young poets.
That poem is included in a famous poetry collection.
句集 refers specifically to a haiku anthology, whereas 詩集 is a general term for a poetry collection not limited to any one form.
counter for books; counter for volumes · volume; book
A Sino-Japanese compound: 詩 means 'poem' or 'poetry,' and 集 means 'collection.' The spelling transparently indicates 'collection of poems.'