1. Consisting of or especially arranged in sets of four
   "quaternate leaves"
   - quaternary

See also: multiple

• quinacrine
• quinacrine hydrochloride
• quinary
• quince
• quince bush
• quinceanera
• quincentenary
• quincentennial
• quinch
• Quincke's edema
• quincunx
• Quincy
• Quine
• quinella
• Quinidex
• quinidine
• quinine
• quinine water
• quinnat salmon
• quinoa
• quinol
• quinoline
• quinone
• Quinora
• Quinquagesima