资料来源 : pyDict

继母

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Stepmother \Step"moth`er\, n. [AS. ste['o]pm[=o]der.]
   The wife of one's father by a subsequent marriage.

资料来源 : WordNet®

stepmother
     n : the wife of your father by a subsequent marriage