This is not a commonly used word.
There are attempts to make batlág the native Tagalog equivalent of the Spanish-derived word kotse, which most Filipinos have been using since the technology was introduced.
kotse
car
Batlag is also the name of a waterfall in Rizal province. It is near the more famous Daranak Falls.
KAHULUGAN SA TAGALOG
batlág: uri ng kareta, karaniwang yarì sa kawayan at nakatikwas kapag hinila, kayâ ang panghuliháng mga dulo ng mga baras lámang ang nakasayad sa lupa
paragos, pulin, parales/paralis
