snaha

1. daughter-in-law
   Svekrva i snaha se odlično slažu. — The mother-in-law and daughter-in-law get along great.
   Naša snaha je iz Novog Sada. — Our daughter-in-law is from Novi Sad.
2. sister-in-law
   Moja snaha, bratova žena, radi u bolnici. — My sister-in-law, my brother's wife, works at a hospital.

In everyday speech snajka is often used instead.