stepdaughter
From Longman Dictionary of Contemporary EnglishRelated topics: Familystepdaughterstep‧daugh‧ter /ˈstepdɔːtə $ -dɒːtər/ noun [countable] SSFFAMILYa daughter that your husband or wife has from a relationship before your marriageExamples from the Corpusstepdaughter• The dining room was indeed where she did find her stepdaughter.• She was filled with compassion for her stepdaughter.• Her stepdaughter was only twelve, still a child, and a child who had had a hard time.• His stepdaughter also left - ostensibly for school.• The stepdaughters ask for various expensive things.