carv - CG
- carve gybe
- carvel built
- carvel planked
- caskling foxes
- cat
- cat's
- cat's paw
- catamaran
- catboat
- catenary weight
- catketch
- cavitation
- cavitation influence
- cavitation number
- CAY
- CB
- CCA
- celestial navigation
- center
- Center of Buoyancy
- center of effort of the sails
- Center of Gravity
- center of lateral force
- center of lateral resistance
- center of sail area
- centerboard
- centerboard boat
- centerboard case
- centerboard trim line
- centerline
- centerplane
- centre board
- centre bulkhead
- centre gieder
- centre keelson
- certificate
