1. Having four sides
   - quadrilateral

See also: many-sided, multilateral

• escolar
• escort
• escritoire
• escrow
• escrow funds
• escudo
• esculent
• escutcheon
• ESE
• esemplastic
• eserine
• Esfahan
• Esidrix
• Eskalith
• esker
• Eskimo
• Eskimo curlew
• Eskimo dog
• Eskimo-Aleut
• Eskimo-Aleut language
• Esky
• ESL
• ESM
• Esme Stuart Lennox Robinson
• esmolol