An extreme version of vorticity is a vortex. The vortex is a spinning, cyclonic mass of fluid, which can be observed in the rotation of water going down a drain, as well as in smoke rings, tornados and hurricanes.
They did not build ships and beach on alien shores, and carry their flags and standards into new sunlights.
There is only Gina, come down from the Villa, / her outrageous umbrella striped like a medicine ball / for the balancing act of a poodle, / to toil in the clottings of fog and the world's / suppuration […]
I hope all who try to make easels will meet with success, as I did, but I fear all cannot hope to be cheered, as I was when mine was first exhibited, by the astonished and admiring exclamation of, “O-o-o my ! Isn’t it pretty? How ingenuitous you be!”
But never mind; doubtless it will be only because your friends have not sufficient command of pure English to express their unbounded admiration.