webbed
US /webd/
UK /webd/

1.
having the toes connected by a membrane, as in ducks and frogs, to aid in swimming
:
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Ducks have webbed feet, which helps them swim efficiently.
•
The frog's webbed feet are perfect for pushing through water.
2.
constructed with or having a network of interconnected parts
:
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The spider spun a complex, webbed structure.
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The old bridge had a webbed iron framework.