The narrow portion that forms the pouring spout of a bottle; the neck of a bottle.
The part of a process that is too slow or cumbersome.
In traffic, any narrowing of the road, especially resulting in a delay.
To slow by causing a bottleneck.
To form a bottleneck.
A liquid that has been percolated.
To pass a liquid through a porous substance; to filter.
To make (coffee) in a percolator.
To drain or seep through a porous substance.
To spread slowly or gradually; to slowly become noticed or realised.