- cannon-petronel
- cannon, rifled
- cannon royal
- cannon-serpentine
- canoe
- canopus
- canopy
- cant, to
- cant
- cantara
- cant-blocks
- cant-body
- canteen
- cantera
- cant-falls
- cant-hook
- cantick-quoins
- canting ballast
- canting-livre
- cant-line
- cantonments
- cant-purchase
- cant-ribbons
- cant-rope
- cant-spar
- cant-timbers
- canvas
- canvas-back duck
- canvas-climber
- cap
- cap, to
- capabarre
- capacise
- capacity
- cape
- cape, to
- cape fly-away
- cape-hen
- capella
- cape-merchant
- cape-petrel
- cape-pigeon
- caper
- caper corner-way
- capful of wind
- capital of a work
- capitana
- capitulation
- capelin
- caplin
- cap'n
- capon
- caponniere
- capote
- cappanus
- capped
- capricornus
- cap-scuttle
- cap-shore
- capsize, to
- cap-square
- capstan
- cabestan
- capstern
- capston
- capstan, to come up the
- capstan, to heave at the
- capstan, to man the
- capstan, to paul the
- capstan, to rig the
- capstan, surge the
- capstan-bar pins
- capstan-barring
- capstan-bars
- capstan-room
- capstan-step
- capstan-swifter
- captain
- captain of a merchant ship
- captain of a ship of war
- captain of the fleet
- captain of the head
- captain of the hold
- captain of the port
- captain-general
- captain's clerk
- captain's cloak
- captain's gig
- captain's store-room
- captive
- captors
- capture
- car
- carabineer
- carack
- carrak
- caracora
- caramoussal
- caravela
- caravel