小妈

小媽
xiǎomā
  1. father's concubine
  2. (coll.) stepmother (esp. a young stepmother)

CEDICT

colloquial

Entry Composition

1 小 xiǎo
  1. small
  2. tiny
  3. few
  4. young
2 妈 mā
  1. ma
  2. mom
  3. mother