keels Meaning, Definition & Usage

1. noun a projection or ridge that suggests a keel
   keel.
   
2. noun the median ridge on the breastbone of birds that fly
   keel.
   
3. noun one of the main longitudinal beams (or plates) of the hull of a vessel; can extend vertically into the water to provide lateral stability
   keel.
   
4. verb walk as if unable to control one's movements
   swag; lurch; stagger; keel; careen; reel.
   
   • The drunken man staggered into the room

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