0 the time of day when it is becoming dark but is not yet fully dark:
1 the part of the day after the sun has gone down and before the sky is completely dark:
The problem of batsmen not being able to see the ball adequately in the late-afternoon gloaming has led to unnecessary and frustrating loss of time in Test matches this season.
Phrases fill the writer's head as he strolls through the summertime woods at gloaming.
The autumnal gloaming fell upon Westminster.
The painting created the ambience of a city park in the gloaming, caught between night and day.