संस्‍कृतशब्‍दकोशः

Monier–Williams

वनिष्ठु — {vaniṣṭhu} m. a part of the entrails of an animal offered in sacrifice (accord. to Sch. either 'the rectum' or, a partic. part of the intestines near the omentum') RV. AV. Br. ŚrS