pump-bob
now rare
noun
A mechanism for converting rotary motion into linear motion suitable for operating a pump.
Origin
Late 19th century.
- space heating
- space helmet
- space-helmeted
- spacehopper
- space industry
- Space Invaders
- space junk
- space lab
- space laboratory
- space lattice
- space launcher
- spaceless
- space lift
- space-like
- spaceman
- space medicine
- space music
- space myopia
- space needle
- space observatory
- space-occupying lesion
- space opera
- space-order
- space physics
- spaceplane