valvelike
/ˈvælvlaɪk/Definitions
1. adjective
Resembling or having a valve; especially, having a flap or a movable part that opens and closes to control the flow of something.
“The valvelike mechanism of the old clock was still functioning.”
2. noun
A part that resembles a valve in shape or function.
“The valvelike structure on the machine was clogged and needed cleaning.”