Dictionary
vroom
Pronunciation: (vrOOm, vroom), [key]—
n.
the roaring sound made by a motor at high speed.
—
v.i.
to make or move with such a sound.
—
v.t.
to cause to make such a sound.
Also,varoom.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.