noun: plumbing fixture consisting of a water basin fixed to a wall or floor and having a drainpipe
noun: (technology) a process that acts to absorb or remove energy or a substance from a system
Example: "The ocean is a sink for carbon dioxide"
noun: a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof
noun: a covered cistern; waste water and sewage flow into it
verb: descend into or as if into some soft substance or place
verb: pass into a specified state or condition
verb: fall or drop to a lower place or level
verb: cause to sink
verb: go under, "The raft sank and its occupants drowned"
verb: appear to move downward
verb: embed deeply
verb: fall heavily or suddenly; decline markedly
verb: fall or sink heavily
name: A surname (rare: 1 in 50000 families; popularity rank in the U.S.: #5852)