reboation

plural reboations

1. A loud reverberation; the echo of a bellow or roar.

   To an untrained ear the deep-mouthed reboation of a ship's horn seems to have lost itself in the fog,[…].

   1937, The Atlantic, volume 159, page 218

   2 more examples

   […]were deafened in the awe-inspiring roar of the torrent, the reboations of which we heard at some distance after we had left the spot whence they proceeded.

   1874, The Yorkshire Magazine: A Monthly Literary Magazine, volumes 3-4, page 560

   Rustle we with rustle answer, thunder with our rolling thunder, / In a crashing reboation, threefold, tenfold multiplied.

   1965, Johann Wolfgang von Goethe, translated by Albert G. Latham, edited by Ernest Rhys, Faust: Parts I and II, page 249