Sentence:  All through Reginald's deeply moving performance she had sat breathless, her mind in a whirl and her soul stirred to her very depths. With each low note that he pulled up from the soles of his shoes she could feel the old affection and esteem surging back into her with a whoosh, and long before he had taken his sixth bow she knew ... that it would be madness to try to seek happiness elsewhere, particularly as the <WSD>wife</WSD> of a man with large ears and no chin, who looked as if he were about to start in the two-thirty race at Kempton Park. 
Meaning of the word marked with <WSD> tags:  A married woman, especially in relation to her spouse.