1. Any of several Old World herbs of the genus Medicago having small flowers and trifoliate compound leaves
   - medic, medick 
2. A plant of the genus Trifolium
   - clover 
3. An architectural ornament in the form of three arcs arranged in a circle

Derived forms: trefoils

Type of: architectural ornament, herb, herbaceous plant

Part of: genus Medicago, genus Trifolium, Medicago, Trifolium

Encyclopedia: Trefoil

• Second Empire
• Second Epistel of John
• Second Epistle of Paul the Apostle to the Corinthians
• Second Epistle of Paul the Apostle to the Thessalonians
• Second Epistle of Paul the Apostle to Timothy
• Second Epistle of Peter
• Second Epistle to the Corinthians
• Second Epistle to the Thessalonians
• Second Epistle to Timothy
• second estate
• first-class honors degree
• first-class honours degree
• first-class mail
• first-come-first-serve
• first-degree burn
• first-generation
• first-nighter
• first-order correlation
• first-place finish
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• first-year
• firstborn