1. Performing an essential function in the living body
   - vital

See also: essential

• portcullis
• Porte
• porte-cochère
• portend
• portent
• portentous
• portentously
• porter
• porter's beer
• porterage
• porterhouse
• porterhouse steak
• portfolio
• porthole
• Portia
• portia tree
• portico
• porticoed
• portion
• portion out
• portière
• Portland
• Portland cement
• portliness
• portly