Sentence:  Frude's (1990) discussion of the psychological definition of family, further elaborated in Chapter 2, accords well with family nursing, in that it recognises the non-traditional <WSD>family groupings</WSD> such as cohabiting couples, blended families, homosexual couples and any variations on traditional family groupings which may be encountered when working with families from cultures other than that of the host country. 
Meaning of the word marked with <WSD> tags:  The method in which individuals are grouped together into families that live together.