Axletree the wooden baulk used to mount the wheels and normally fixed under the cheeks.
Apron of lead a lead cover to prevent damp entering the vent. This was often placed over the fid.
Base ring the part of the breech that defines the end of the bore. Normally the base ring was marked by a raised moulding that went around the circumference of the breech. It was often inscribed with the maker's name and the date on which the gun was cast.
Breast loop the iron loop embedded in the breast transom.
Breeching rope a large-diameter rope used to control the recoil of the gun by passing it through the breeching loop or tying it around the cascable button of the gun. The rope was secured to iron loops in the ship's side.
Extree another name for axletree.
Carnous (sometimes spelt carnouz) a somewhat esoteric term used by some commentators to describe the part of the gun breech behind the base ring.
Cascable also used to describe the rear portion of the gun barrel behind the base ring.
Eye bolt a long bolt that passed through the top of the cheek and terminated under the side of the gun carriage, thus securing the cheek pieces together.
Fid or vent plug a small piece of twine or even a wooden peg placed in the vent when not in use.
Handspike a stout bar used to lever the gun carriage or barrel.
Limber a two-wheeled carriage with shafts to fasten the trail of travelling carriages by means of a pintle or iron pin. Also called a lymore.
Lynch pin the iron pin that passed through the axletree and secured the truck on the axle.
Priming iron a tool for clearing the vent and piercing the cartridge case. This was normally a non-ferrous metal spike.
Quoin a triangular wedge of wood placed under the breech of a gun to elevate and depress it.
Sponge a stall with a large sheepskin head used for damping down burning embers and cleaning the gun barrel.
Stool bed the llat wooden plate upon which the quoin and therefore the breech of the gun rested.
Rammer a long staff with a cylindrical wooden head usually slightly smaller than the bore, used to ram home the powder and cartridge.
Truck the name used for the small wheels fitted to a sea service carriage.
Trunnions cylindrical projections cast into the middle portion of the gun so that it can be elevated and depressed.
Worm or wadhook used to scour the inside of the barrel to remove burning embers or blockages. It consisted of a wooden staff with a spiral iron hook on its end.
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