- cement, roman
- centime
- centinel
- central eclipse
- centre
- centre of buoyancy, of displacement , and of immersion, of cavity
- centre of immersion, of displacement , and of buoyancy, of cavity
- centre of displacement, of immersion, and of buoyancy, of cavity
- centre of cavity, of displacement, of immersion, and of buoyancy
- centre of gravity
- centre of motion
- centurion
- ceola
- ceradene
- cercuri
- certificate
- certify, to
- cessation of arms
- cetine
- c.g.
- chad
- chafe, to
- chaffer
- chafing-cheeks
- chafing-gear
- chain
- chainage of ship
- chain-bolt
- chain-cable compressor
- chain-cable controller
- chain-cables
- chain-cable shackles
- chain-hook
- chain-pipe
- chain-plates
- chain-pump
- chains
- chain-shot
- chain-slings
- chain-stopper
- chain, top
- chain-well
- chaland
- chalders
- chaldrick
- chaldron
- chalink
- chalk, to
- chalks
- challenge
- chamade
- chamber-piece
- chamber
- chamber of a mine
- chamber of a piece of ordnance
- chambers
- chamfer
- champion
- chancery, in
- chancy
- chandler, ship
- change
- changey-for-changey
- channel
- channel-bolts
- channel-gropers
- channel-groping
- channel-plates
- channel-wales
- chanticleer
- chap
- chape
- chapelling a ship
- chaplain
- chapman
- char
- characters
- charge
- charger
- charity-sloops
- charles's wain
- sea-chart
- chart
- charter
- chartered ship
- charterer
- charter-party
- chase, to
- chase
- chase, bow
- chase of a gun
- chase-guns
- chase-ports
- chaser
- chase-sight
- chase-stern
- chasse marees
- chatham
- chats
- chatty