Got hold of cap and rushed out (9)
I believe the answer is:
purchased
'got hold of' is the definition.
(purchasing is a kind of getting hold of)
'cap and rushed out' is the wordplay.
'and' says to put letters next to each other.
'out' indicates an anagram (out can mean wrong or inaccurate).
'cap' put after 'rushed' is 'rushedcap'.
'rushedcap' with letters rearranged gives 'PURCHASED'.
(Other definitions for purchased that I've seen before include "Got hold of" , "Bought" , "paid for" , "picked up" .)