1. By custom; according to common practice

See also: customary

• cat valium
• cat's cradle
• cat's feet
• cat's foot
• cat's-claw
• cat's-ear
• cat's-paw
• cat's-tail
• cat-o'-nine-tails
• cata-cornered
• catabatic
• catabatic wind
• catabiosis
• catabolic
• catabolise
• catabolism
• catabolize
• Catacala
• catachresis
• catachrestic
• catachrestical
• cataclinal
• cataclysm
• cataclysmal
• cataclysmic