WordNet
pull chain
n. a chain (usually with a handle at the end) that is pulled in order to operate some mechanism (e.g. to flush a toilet)
Usage examples of "pull chain".
As she set off in the direction of the early-morning coffeepot, she detoured to take her revenge on Jonas's followers by yanking the pull chain on the antique and incredibly noisy toilet.
The tub had claw and ball feet, and the water closet had a pull chain from the storage tank mounted up by the ceiling.
I felt through the darkness to the left and then to the right of the entrance, searching for either a light switch mounted on a stanchion or a pull chain dangling from the ceiling.