noun

1. A period shortly after sunrise or before sunset during which daylight is redder and softer compared to when the sun is higher in the sky.

2.  The first hour after the occurrence of a traumatic injury, considered the most critical for successful emergency treatment.

3. Here. Now. On this street, with you, before you leave again.

—Postcards from I̶t̶a̶l̶y̶ ̶ Maryland