Definition of Batangas knife in English:

Batangas knife

Pronunciation /bəˈtaŋɡəs nʌɪf/

noun

South East Asian
  • A folding pocket knife with a handle consisting of two parts which divide and pivot round to enclose the blade, typically used as a weapon.

Origin

1930s; earliest use found in Philippine Journal Commerce. From Batangas (Tagalog Batangas), the name of a province on the island of Luzon in the Philippines, where this kind of knife is chiefly manufactured + knife.