1. A filtering machine.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• perculator,
• perculater,
• purculator,
• percolater,
• cerculator,
• oercolator,
• lercolator,
• -ercolator,
• 0ercolator,
• pwrcolator,
• psrcolator,
• pdrcolator,
• percollator,
• perssonator,
• Personetor,
• exfolator,
• percontar,
• percalator,
• parculator,
• percelator

• percolate,
• Perchloride,
• pergola,
• percolation,
• perchlorate.

The adjective form of the word "percolator" is "percolative".

The plural of the "percolator" can be the "percolators".

The singular of the "percolator" can be the "percolator".