"Sounds the translator hasn't been able to find any definite meaning in."

That is, they have a fairly definite, precise meaning.

To the black-clad being, this letter had a definite meaning.

Most of the matter might have been written in Chinese for any definite meaning that it conveyed to my brain.

The gold coin and the railway coupon held a definite meaning.

His poems have no definite meaning, but alter each time they are read.

Yet the words, to one who understood the Chinese temperament were filled with definite meaning.

A telegram such as he had received to-night carried one definite meaning.

The woodcut I had puzzled over so deeply before my trip must hold a definite meaning, a message.

This is a positive thing, and has definite meaning-- of some sort.