Dictionary
red' line"
Ice Hockey.
a line of the color red that is parallel to and equidistant from the goal lines and divides the rink in half.
red•line
Pronunciation: (
—v.red'līn";
—n.red'līn'), [key]
—v., -lined, -lin•ing,
—n.
—
v.t.
1. to treat by redlining (an area or neighborhood).
2. to establish the recommended safe speed of (an airplane):
The bomber is redlined at 650 miles an hour.
3. to draw a canceling red line through (an item on a list).
4. to mark or designate for cancellation, rejection, dismissal, or the like:
club members redlined for unpaid dues.
5. to cause (an airplane) to be grounded.
—
v.i.
to engage in redlining.
—
n.
Auto.
a. the maximum rotational speed, or angular velocity, of the engine crankshaft that is considered safe: often measured in rpm.
b. a red line or boundary of a red area that delineates such a value, as on a tachometer.
Also,red'-line".Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.