Particular dock? (6)
I believe the answer is:
detail
I believe this is a double definition.
'particular' is the first definition.
('detail' can be a synonym of 'particular')
'dock?' is the second definition.
(dock can mean to remove a tail, as in de-tail)
(Other definitions for detail that I've seen before include "Tailed into minutiae" , "soldiers given a special task" , "document?" , "Troop detachment; small feature" , "Small or important part" .)