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

• satirize
• satisfaction
• satisfactorily
• satisfactoriness
• satisfactory
• satisfiable
• satisfice
• satisfied
• satisfier
• satisfise
• satisfy
• satisfying
• satisfyingly
• satori
• satrap
• satrapy
• satsuma
• satsuma tree
• saturable
• saturant
• saturate
• saturated
• saturated fatty acid
• saturation
• saturation bombing