Definition of "night-cloud" [night-cloud]

• The form of cloud called stratus, which frequently ascends from the ground after sunset, continues during the night, and disappears with the rise of the morning sun. (noun)

The Century Dictionary (Public Domain)

• "Poking the embers to light, Sabin saw two shahins winging westwards towards the receding bank of night-cloud, and it seemed to him a good omen."
• "From each night-cloud, and heavily dropping morning-cloud,"
• "Our bugles sang truce, for the night-cloud had lowered"