keeled

/kiːld/
adjective
  1. Having a keel or a structure shaped like a keel; often used to describe a boat or a part of an animal or plant.
    • Some birds have a keeled breastbone that supports strong flight muscles.
    • The keeled hull of the sailboat helped it cut through the waves.
    • The botanist identified the plant by its keeled leaves.
Antonyms
What does "keeled" mean? | whatsthatwordmean | whatsthatwordmean