Definition of "taillight" [taillight]

• A red light or one of a pair mounted on the rear end of a vehicle. Also called tail lamp. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I can't puzzle out the year on this car exactly, but items such as taillight lenses seem to point to 1970 or 1971."
• "The 'V' under the taillight was the symbol that the car had a V-8 engine in it. ");"
• "This month you see plenty of CALAVERAS used in the festivities, but that is also the common Mexican word for a vehicle's taillight assembly."