What is the meaning of Daylight?

The natural light that is ambient in daytime, being mostly sunlight (both direct and indirect, on either sunny days or cloudy days).

A light source that simulates daylight.

The intensity distribution of light over the visible spectrum generated by the Sun under various conditions or by other light sources intended to simulate natural daylight.

The period of time between sunrise and sunset.

Daybreak.

Exposure to public scrutiny.

A clear, open space.

The space between platens on a press or similar machinery.

Emotional or psychological distance between people, or disagreement.

Meaningful or noticeable difference or distinction between two things, especially concepts.

The gap between the top of a drinking-glass and the level of drink it is filled with.

To expose to daylight

To provide sources of natural illumination such as skylights or windows.

To allow light in, as by opening drapes.

To run a drainage pipe to an opening from which its contents can drain away naturally.

To gain exposure to the open.

Source: wiktionary.org