1. A hand-operated pump that resembles a revolver; forces grease into parts of a machine
   - gun

Derived forms: grease-guns

Type of: pump

• big stick
• Big Sur
• big time
• big toe
• big top
• big tree
• big wheel
• big-bang theory
• big-bellied
• big-boned
• big-bud hickory
• big-chested
• big-cone douglas fir
• big-cone spruce
• big-eared bat
• big-eyed scad
• big-leaf maple
• big-name
• big-shouldered
• big-ticket
• big-tree plum
• bigamist
• bigamous
• bigamy
• bigarade