Dictionary
up•shift
Pronunciation: (up'shift"), [key]—
v.i.
to shift an automotive transmission or vehicle into a higher gear.
—
v.t.
to shift (an automotive transmission or vehicle) into a higher gear.
—
n.
an act or instance of upshifting.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.