day – One of the perpendicular divisions or “lights” of a mullioned window. More…
blackout – Originally a theatrical term for the extinguishing of all lights on the stage when scenery was shifted. More…
taps, last post – Taps, the bugle call for lights out, was originally a drum roll and got its name from the tapping of the drums; taps are also called last post. More…
twilight – The time of two lights, the fading sunset and the emerging light of the moon and stars; there are three sequential stages of twilight: civil twilight, nautical twilight, and astronomical twilight. More…