The period of each day when the sun is shining is daylight. If you work as a lifeguard at the town pool, your job takes place during daylight.

You can use daylight and daytime interchangeably, although daylight also means "daytime light" or "the light of the sun." If you lose electricity in your house for a few days, you might have to stick to reading when there's daylight. Many public parks are only open during daylight hours. If someone scares the living daylights out of you, they terrify you — this colloquial phrase comes from an old sense of the eyes being referred to as daylights.

Definitions of daylight

n the time after sunrise and before sunset while it is light outside

day, daytime
dark, night, nighttime
the time after sunset and before sunrise while it is dark outside
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the part of the day between noon and evening
the middle part of the afternoon
eve, even, evening, eventide
the latter part of the day (the period of decreasing daylight from late afternoon until nightfall)
guest night
an evening when members of a club or college can bring their friends as guests
Type of:
period, period of time, time period
an amount of time

n light during the daytime

Type of:
light, visible light, visible radiation
(physics) electromagnetic radiation that can produce a visual sensation

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