Source: A 1931 dictionary
Bāṛ (बाड़्) is the Nepali word for the blade of a khukurī.1
For a complete overview of khukurī terminology, see my article: A Nepalese khukurī glossary.
1. Sir Ralph Lilley Turner; A comparative and etymological dictionary of the Nepali language. London: K. Paul, Trench, Trubner, 1931.