While vicars ordered some office furniture (6,5)
I believe the answer is:
swivel chair
'office furniture' is the definition.
'swivel chair' can be an answer for 'furniture' (swivel chair is a kind of furniture). I'm not sure about the 'office' bit.
'while vicars ordered' is the wordplay.
'ordered' is an anagram indicator.
'while'+'vicars'='whilevicars'
'whilevicars' with letters rearranged gives 'SWIVEL-CHAIR'.
'some' is the link.
Can you help me to learn more?
(Other definitions for swivel chair that I've seen before include "Seat that turns" , "Revolving office seat" , "Revolutionary seat?" , "Swimmer with air supply" , "Item of office furniture" .)