Definition of keel

Definition of keel
  1. keel Noun a large beam along the underside of a ship's hull from bow to stern
  2. keel Noun sometimes, 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. keel Noun a type of flat-bottomed boat
  4. keel Noun something similar to chalk or crayon used to mark pavement
  5. keel Verb to collapse, to fall
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