1. Small electric lamps that provide dim light during the night, typically used in bedrooms or hallways for safety or comfort.
Usage: Usually plural; can be countable or used as a mass noun.; Common in households with children or elderly residents.

Examples

• The children felt safer with nightlights glowing softly in their bedrooms.
• We installed nightlights in the hallway so we wouldn't stumble in the dark.
• These LED nightlights use very little electricity.
• The nightlights automatically turn on when the room gets dark.
• She plugged in several nightlights throughout the house for her elderly mother.