Sentence:  We got the hang of [caring for a baby], Kate and I, with some quiet, surprising guidance from a gentle <WSD>male</WSD> nurse whose touching lack of intrusion was so instinctive as to seem part of the pattern. 
Meaning of the word marked with <WSD> tags:  Belonging to the sex which typically produces sperm, or to the gender which is typically associated with it. (from 14th c.)