head valve
Mechanics
noun
A valve at the upper end or inlet of a pump, pipe, etc.
Origin
Mid 19th century.
- raise (or lower) one's sights
- raiser
- raiser-up
- raise the devil
- raise the roof
- raisin
- raisin bran
- raising agent
- raising bee
- raising cloth
- raising gig
- raising hammer
- raising-piece
- raising plate
- raisin juice
- raisin tree
- raisin vine
- raisiny
- raison d'état
- raison d'être
- raisonneur
- raita
- raitch
- raith
- raiverie