To cause to pass through fine interstices, as a liquor; to filter; to strain.
- To cause (liquid, for example) to pass through a porous substance or small holes; filter.
- To pass or ooze through: Water percolated the sand.
- To make (coffee) in a percolator.
- To drain or seep through a porous material or filter.
- Informal To become lively or active.
- Informal To spread slowly or gradually.
- A liquid that has been percolated.