1. With the involvement of two parties or governments
   "they worked out an agreement bilaterally" 
2. So as to involve two sides or parts

See also: bilateral

• family Commelinaceae
• family Compositae
• family Congridae
• family Connaraceae
• family Convallariaceae
• family Convolvulaceae
• family Coprinaceae
• family Coraciidae
• family Cordaitaceae
• family Cordylidae
• family Coregonidae
• family Coreidae
• family Corixidae
• family Cornaceae
• family Cortinariaceae
• family Corvidae
• family Corydalidae
• family Corylaceae
• family Corynebacteriaceae
• family Coryphaenidae
• family Cotingidae
• family Cottidae
• family court
• family Cracidae
• family Cracticidae