What is the meaning of Dialectal?

Of or relating to a dialect.

Peculiar to a (nonstandard) variety or lect.

Alternative form of dialeutal

dialectal

dialectal

dialectal

Pre-reform spelling (until Brazil 1943/Portugal 1990) of dialetal. Still used in countries where the agreement hasn't come into effect; may occur as a sporadic misspelling.

dialectal

dialectal

Source: wiktionary.org