1. Occurring singly; not one of a pair
   "the azygous muscle of the uvula"
   - azygos

See also: single

• commercial
• commercial activity
• commercial agency
• commercial art
• Chassidism
• chassis
• chaste
• chastely
• chasten
• chasteness
• chastening
• chastise
• chastisement
• chastiser
• chastity
• chastity belt
• chasuble
• chat
• chat show
• chat up
• chateau
• Chateaubriand
• chatelaine
• Chateura
• Chateura pelagica