Meaning

• A basin used for holding water for washing.

• A drain for carrying off wastewater.

• A sinkhole.

• A depression in land where water collects, with no visible outlet.

• A heat sink.

• A place that absorbs resources or energy.

• The motion of a sinker pitch.

  "Jones has a two-seamer with heavy sink."

• An object or callback that captures events; event sink

• A destination vertex in a transportation network

• An abode of degraded persons; a wretched place.

• A depression in a stereotype plate.

• A stage trap-door for shifting scenery.

• An excavation less than a shaft.

• (game development) One or several systems that remove currency from the game's economy, thus controlling or preventing inflation

Meaning

• (heading, physical) To move or be moved into something.

• (heading, social) To diminish or be diminished.

• To conceal and appropriate.

• To keep out of sight; to suppress; to ignore.

• To pay absolutely.

  "I have sunk thousands of pounds into this project."

• To reduce or extinguish by payment.

  "to sink the national debt"

• To be overwhelmed or depressed; to fail in strength.

• To decrease in volume, as a river; to subside; to become diminished in volume or in apparent height.