What is the meaning of Bla?

ISO 639-2 & ISO 639-3 language code for Blackfoot.

Alternative form of blah (“imitative of idle, meaningless talk”).

alternative form of blanga

alternative form of blât (“wheat”)

alternative form of blo

blue

soft

mild, docile

smooth

smooth, gentle

without (an ingredient, means, concomitant, quality)

blah (idle talk)

misspelling of bl.a.

soft mutation of pla

Source: wiktionary.org