Definition of "vociferation"

And as she apprehended the boy's life was in danger, she screamed ten times louder than before; and indeed Master Blifil himself now seconded her with all the vociferation in his power.

1749, Henry Fielding, chapter III, in The History of Tom Jones, a Foundling, volumes (please specify |volume=I to VI), London: A[ndrew] Millar, […], book IV

Crack go the whips; but twenty Patriot arms have seized each of the eight bridles: there is rearing, rocking, vociferation; not the smallest headway.

1837, Thomas Carlyle, The French Revolution: A History […], volumes (please specify |volume=I to III), London: Chapman and Hall, (please specify the book or page number)