Meanings of oracular voice in English

The kicking stopped, and in the pause the muzzy oracular voice announced from within-

The oracular voice of Cuvier had declared against the authenticity of all human fossils.

That's the point, said an oracular voice.

He glanced patronizingly at the coal hulk, wrinkled his nose in disapprobation of her appearance, and delivered himself in an oracular voice.

Something tells me, Verney, that we need no longer dread our cruel enemy, and I cling with delight to the oracular voice.

She had often amused herself by taking Mareno's place at the table behind Kazmah, and, speaking in her brother's oracular voice, had delivered the 'revelations.'

Oracular voices answer, "Soon, youth, or never!"

"I must have absolute quiet," I pronounced in an oracular voice.

"Weather makes no difference to Satan," answered the faint, oracular voice of Joe Cumberland.

"Dat may be, and dat may not be," the German answered, in the same oracular voice.