Partner's child (7)
I believe the answer is:
stepson
(Other definitions for stepson that I've seen before include "Child of a spouse by a former marriage" , "underfoot?" , "Subdues" , "boy not sharing blood" , "Tramples (5,2) -- relative" .)
I believe the answer is:
stepson
(Other definitions for stepson that I've seen before include "Child of a spouse by a former marriage" , "underfoot?" , "Subdues" , "boy not sharing blood" , "Tramples (5,2) -- relative" .)