Trefoil Definition
trēfoil, trĕfoil
trefoils
noun
trefoils
Any of a number of plants with leaves divided into three leaflets, as the clover, tick trefoil, and certain species of lotus.
Webster's New World
A flower or leaf with three lobes.
Webster's New World
Any ornamental figure resembling a threefold leaf.
Webster's New World
Other Word Forms of Trefoil
Noun
Singular:
trefoil
Plural:
trefoilsOrigin of Trefoil
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Middle English from Anglo-Norman trifoil from Latin trifolium tri- tri- folium leaf bhel-3 in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
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From Anglo-Norman trifoil < Old French trefeuil < Latin trifolium < tri- + folium (leaf).
From Wiktionary
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