A small pocket in a garment for carrying a watch on the per son; also, a pocket, bag, etc.. in or on the head-curtain of a bed for holding the watch at night.(noun)
The Century Dictionary (Public Domain)
Use "watch-pocket" in a sentence
"He is not content with his trousers unless they have a watch-pocket."
"And all these foolish pilgrims would each bring his own misery along with him, in a watch-pocket!"
""Return ticket from Mackleton, in the north of England," said Holmes, drawing it from the watch-pocket."