We found 4 dictionaries that define the word signal lights:

General (4 matching dictionaries)

1. signal lights: Vocabulary.com
2. signal-lights: Wordnik
3. Signal lights, Signal lights: InfoVisual Visual Dictionary
4. Signal lights: Wikipedia, the Free Encyclopedia

(Note: See signal_light as well.)

Definitions from WordNet (signal light) ▸ noun:  a fire set as a signal ▸ Also see signal_light Phrases: colour signal lights, more... ▸ Words similar to signal lights ▸ Usage examples for signal lights ▸ Idioms related to signal lights ▸ Wikipedia articles (New!) ▸ Words that often appear near signal lights ▸ Rhymes of signal lights ▸ Invented words related to signal lights