1. Having no border

Antonym: bordered

• cake mix
• cakehole
• cakewalk
• Cakile
• Cakile maritima
• calaba
• calabar bean
• calabar-bean vine
• calabash
• calabash pipe
• calabash tree
• calabazilla
• calaboose
• calabrese
• Calabria
• calabur tree
• calabura
• caladenia
• Caladenia cairnsiana
• caladium
• Caladium bicolor
• Calais
• Calamagrostic quadriseta
• Calamagrostis
• Calamagrostis acutiflora