Webster’s Revised Unabridged Dictionary · 1913
Stepsister
Step′sis′ter (·sĭs′tẽr), n. A daughter of one's stepfather or stepmother by a former marriage.
Webster’s Revised Unabridged Dictionary · 1913
Step′sis′ter (·sĭs′tẽr), n. A daughter of one's stepfather or stepmother by a former marriage.