To swell or rise above (something, especially the rim of a container, the sides of something hollow, etc.).
To cause (something) to be too swollen or large; to become too swollen or large.
An excessive or sudden increase or flood (of something).
To drain or seep through a porous substance.
To pass a liquid through a porous substance; to filter.
To make (coffee) in a percolator.
To spread slowly or gradually; to slowly become noticed or realised.
A liquid that has been percolated.