Small-sized (6)
(Other definitions for pocket that I've seen before include "Small isolated group" , "financial resources" , "Take; isolated patch" , "Pouch in garment" , "Electronic maths aid" .)
(Other definitions for mini that I've seen before include "Once fashionable skirt" , "Iconic economy car (introduced in 1959)" , "Brief" , "Car designed by Issigonis" , "type of garment" .)