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

• Valetta
• spiritualistic
• spirituality
• spiritualization
• spiritualize
• spiritually
• spiritualty
• spirituous
• Spirochaeta
• Spirochaetaceae
• Spirochaetales
• spirochaete
• spirochete
• Spirodela
• Spirodela polyrrhiza
• spirogram
• spirograph
• spirogyra
• spirometer
• spirometry
• spironolactone
• spirt
• spirula
• Spirula peronii
• Spirulidae