1. Having three sides
   - trilateral, triangular

See also: many-sided, multilateral

• perverse
• perversely
• perverseness
• perversion
• perversity
• perversive
• pervert
• perverted
• pervicacious
• pervious
• perviousness
• pes
• pes cavus
• pes planus
• Pesach
• Pesah
• pesantran
• pesantren
• pescatarian
• pescetarian
• peseta
• pesewa
• Peshawar
• peshmerga
• peskiness