1. A three-sided polygon
   - triangle, trilateral 
2. (astrology) one of four groups of the zodiac where each group consists of three signs separated from each other by 120 degrees
   - triplicity 
3. A triangular lyre of ancient Greece and Rome

Derived forms: trigons

Type of: lyre, polygon, polygonal shape, triad, trio, triple, triplet

Encyclopedia: Trigon

• apnea
• apneic
• apnoea
• apnoeic
• apoapsis
• apocalypse
• apocalyptic
• apocalyptical
• apocarpous
• apocenter
• apocentre
• apochromatic
• apocope
• apocrine
• apocrine gland
• Apocrypha
• apocryphal
• apocryphally
• Apocynaceae
• apocynaceous
• Apocynum
• Apocynum androsaemifolium
• Apocynum cannabinum
• Apocynum pumilum
• apodal