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Definition of trefoil noun from the Oxford Advanced Learner's Dictionary

trefoil

noun
 
/ˈtrefɔɪl/,
 
/ˈtriːfɔɪl/
 
/ˈtrefɔɪl/,
 
/ˈtriːfɔɪl/
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  1. (specialist) a plant whose leaves are divided into three similar parts, for example clover
  2. a decoration or a design like a trefoil leaf in shape
    3. Word OriginMiddle English: from Anglo-Norman French trifoil, from Latin trifolium, from tri- ‘three’ + folium ‘leaf’.
See trefoil in the Oxford Advanced American Dictionary
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Nearby words

trait
noun
 
 
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