Whole range of cutlery required for the dining hall (7)

I believe the answer is:

canteen

I'm a little stuck... Click here to teach me more about this clue!

'dining hall' is the definition.
(thesaurus)

I cannot understand how the remainder of the clue works.

(Other definitions for canteen that I've seen before include "Staff restaurant" , "A case of cutlery" , "Workers' cafe and cutlery box" , "Flask - restaurant attached to institution" , "and where it could be used" .)

I've seen this clue in The Irish News.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.