Significat

• Noun

  1. A large beam along the underside of a ship’s hull from bow to stern.
  2. A rigid, flat piece of material anchored to the lowest part of the hull of a ship to give it greater control and stability.
  3. 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.
  4. The rigid bottom part of something else, especially an iceberg.
  5. A type of flat-bottomed boat.
  6. The periphery of a whorl extended to form a more or less flattened plate; a prominent spiral ridge.
  7. The two lowest petals of the corolla of a papilionaceous flower, united and enclosing the stamens and pistil; a carina.

• Verb
• Verb
• Verb
• Verb