Search Result for "stoplight": 
Wordnet 3.0

NOUN (2)

1. a red light on the rear of a motor vehicle that signals when the brakes are applied to slow or stop;
[syn: stoplight, brake light]

2. a visual signal to control the flow of traffic at intersections;
[syn: traffic light, traffic signal, stoplight]



WordNet (r) 3.0 (2006):

stoplight
    n 1: a red light on the rear of a motor vehicle that signals
         when the brakes are applied to slow or stop [syn:
         stoplight, brake light]
    2: a visual signal to control the flow of traffic at
       intersections [syn: traffic light, traffic signal,
       stoplight]