WordNet
n. indicator consisting of a light to indicate whether power is on or a motor is in operation [syn: pilot light, pilot lamp]
Usage examples of "indicator lamp".
He switched on the communicator unit that was on his desk and another indicator lamp lit up.
The green indicator lamp lit up over the inner door of the airlock chamber.
In the lander parked in the steep-sided valley to the north of Padua city, the indicator lamp on the Communications Officer's console had stopped signaling.
Although the power switch was in the on-position, the indicator lamp didn't light.
Nothing but the longed-for glow of the indicator lamp could satisfy our burning desire now.
They were currently in the off position and the indicator lamp burned green.
We knew that this would cause an indicator lamp to light up on a panel somewhere inside.