1. Involving three parties
   "trilateral talks" 
2. Having three sides
   "a trilateral figure"
   - triangular, three-sided

1. A three-sided polygon
   - triangle, trigon

Derived forms: trilaterals

See also: many-sided, multilateral, mutual, reciprocal

Type of: polygon, polygonal shape

• cardiography
• cardioid
• cardioid microphone
• cardiologic
• cardiologist
• cardiology
• cardiomegaly
• cardiomyopathy
• cardiopathy
• cardiopulmonary
• cardiopulmonary arrest
• cardiopulmonary exercise
• cardiopulmonary resuscitation
• cardiorespiratory
• cardiospasm
• Cardiospermum
• Cardiospermum grandiflorum
• Cardiospermum halicacabum
• cardiovascular
• cardiovascular disease
• cardiovascular system
• carditis
• Cardium
• Cardium edule
• Cardizem