A bell for use at night, as in rousing a physician or an apothecary.(noun)
The Century Dictionary (Public Domain)
Use "night-bell" in a sentence
"When the man from The Two Robins rang the night-bell, I was just thinking of going to bed."
"The night-bell which had been fixed when Fitzpiers first took up his residence there still remained; but as it had fallen into disuse with the collapse of his practice, and his elopement, she did not venture to pull it now."
"He had his night-bell altered and placed in the room in which the good old lady had grumbled for many a long year, and he slept in the great large bed there."