keel

A large beam along the underside of a ship’s hull from bow to stern.

龙骨

A rigid, flat piece of material anchored to the lowest part of the hull of a ship to give it greater control and stability.

In a dirigible, a construction similar in form and use to a ship's keel; in an aeroplane, a fin or fixed surface employed to increase stability and to hold the machine to its course.

The rigid bottom part of something else, especially an iceberg.

A type of flat-bottomed boat.

The periphery of a whorl extended to form a more or less flattened plate; a prominent spiral ridge.

The two lowest petals of the corolla of a papilionaceous flower, united and enclosing the stamens and pistil; a carina.

A broad, flat vessel used for cooling liquids; a brewer's cooling vat; a keelfat.

Red chalk; ruddle.

To collapse, to fall.

To traverse with a keel; to navigate.

To turn up the keel; to show the bottom.

To cool; make cool; to cool by stirring or skimming in order to keep from boiling over.

To moderate the ardour or intensity of; assuage; to appease, pacify, or lessen.

To become cool; cool down.

To mark with ruddle.

Pronunciation spelling of kill.