Definitions for sink

(plumbing fixture consisting of a water basin fixed to a wall or floor and having a drainpipe)

((technology) a process that acts to absorb or remove energy or a substance from a system; "the ocean is a sink for carbon dioxide")

(a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof)

(a covered cistern; waste water and sewage flow into it)

(fall or descend to a lower place or level; "He sank to his knees")

(cause to sink; "The Japanese sank American ships in Pearl Harbor")

(pass into a specified state or condition; "He sank into nirvana")

(go under, "The raft sank and its occupants drowned")

(descend into or as if into some soft substance or place; "He sank into bed"; "She subsided into the chair")

(appear to move downward; "The sun dipped below the horizon"; "The setting sun sank below the tree line")

(fall heavily or suddenly; decline markedly; "The real estate market fell off")

(fall or sink heavily; "He slumped onto the couch"; "My spirits sank")

(embed deeply; "She sank her fingers into the soft sand"; "He buried his head in her lap")