| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| trefoil |
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| SYLLABICATION: | tre·foil |
| PRONUNCIATION: |  tr  foil , tr foil |
| NOUN: | 1. Any of various plants of the genera Trifolium, Lotus, and related genera of the pea family, having compound trifoliate leaves. 2. An ornament, symbol, or architectural form having the appearance of a trifoliate leaf. | | ETYMOLOGY: | Middle English, from Anglo-Norman trifoil, from Latin trifolium : tri-, tri- + folium, leaf; see bhel-3 in Appendix I.
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| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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