Get in touch with (5)
'get in touch with' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for contact that I've seen before include "Maybe page" , "Get in touch with" , "state of one exposed to disease" , "Touch - electrical point" , "Get hold of" .)
(Other definitions for reach that I've seen before include "Scope; get to" , "Come to - stretch of river" , "Stretch of river: achieve" , "Get to; extent" , "Get as far as" .)