Meanings of long toms in English

Heard those long toms roar!

Then came the Gold Rush, and miners started diverting water to work their sluice boxes, long toms, and hydraulic cannons.

I DON'T normally go to church by boat, especially in one speeding across the South Seas surrounded by leaping long toms and intensely blue trevally.

Then I remember hearing the cannons roar-longtoms they used to call 'em.

Finally the last of the great Creusot guns, the formidable Long Toms, was found mounted near Haenertsburg.

Twenty of her guns were 32-pound carronades, while for bow-chasers she had two " long Toms."

This gave rise to stories of "furious bombardment of Rheims," but also caused the withdrawal of the " Long Toms" to spare the city.

Every time the " Long Toms" were fired, a few answering shells were sent their way and, of course, falling short, dropped into the city.