"Sixteen Tons" singer (4)
I believe the answer is:
'sixteen tons singer' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for ford that I've seen before include "Place to cross river" , "Shallow part of river for crossing" , "White paint for the face" , "Shallow place for river crossing" , "Henry ...., first mass producer of cars" .)