Glossary

Using reference material, this glossary has been designed to provide you with a basic explanation or definition of each of the terms provided.  This glossary will be constantly updated so please contact us, if you would like us to comment of any of the terminology used.

A B C D E F G H I J K L M N O P Q R S T U V W Y Z

R

racing craft
any vessel designed for speed or endurance racing
Source: National Monuments Record: Maritime Craft Type Thesaurus
rake
inclination from the vertical of posts, masts, etc when viewed form the beam
ratlines
small ropes tied between shrouds of a vessel providing steps for climbing the rigging
Source: Maritime Curators Group: Manual of Curatorship
reef band
a strip of canvas or similar sewn horizontally across the sail to which the reef points are attached
reef point
one of several short lengths of line attached to the reef band to secure the sail when reefed (i.e. reduced in area)
rescue tug
a tug equipped to care for survivors from torpedoed vessels and also available for towing to port ships damaged by enemy action
Source: National Monuments Record: Maritime Craft Type Thesaurus
revenue cutter
a single masted cutter built specifically for the prevention of smuggling and the enforcement of customs regulations
Source: National Monuments Record: Maritime Craft Type Thesaurus
reverse clinker planking
a hull in which the strakes are arranged so that they partially overlap one another, the lower strake being outboard of the upper
reverse frame
angle bar riveted to the inboard edge of the frame so that its flange goes in the opposite direction to the of the outboard flange of the frame
Source: Country Life Book of Nautical Terms Under Sail
reverse sheer
convex upper line of line of the hull instead of the more usual concave
Source: Maritime Curators Group: Manual of Curatorship
rib
a single piece frame
ribband carvel
a form of edge-to-edge planking in which the inboard seams of the strakes are covered by battens (ribbands)
riding sail
a small sail, typically a gaff sail, set on a smast at the stern of a motor fishing vessel to steady the vessel in choppy conditions. Also called a steadying sail
Source: Maritime Curators Group: Manual of Curatorship
rigging
the ropes, cables and associated equipment which locates masts and spars on a sailing vessel
Source: MDA: Waterways Object Name Thesaurus
rigging screw
metal device with two opposite turning screw threads which is used to tighten rigging on a sailing vessel
Source: MDA: Waterways Object Name Thesaurus
ringtail
a sail set aft of the spanker in light weather
Source: Maritime Curators Group: Manual of Curatorship
rise of floor
the angle between the bottom of a vessel and the horizontal in the transverse plane. Usually called DEADRISE
rising wood
a piece worked into the underside of a floor and into the keel which holds the keel firm
rivet
small iron or steel rod with a head at one end. It is heated then pushed through a prepared hole to fastend two or more metal plates together and hammered over on the other side, creating a head with makes a permanent tight fastening as the hot metal cools
Source: Maritime Curators Group: Manual of Curatorship
rocker
the keel of a vessel that is rounded fore and aft, not straight
Source: Maritime Curators Group: Manual of Curatorship
rocker arm windlass
type of windlass operated with a pivoted arm with a crewman at each end
Source: Maritime Curators Group: Manual of Curatorship
roller fairlead
used for diverting the run of a rope or mooring line for convenience and to reduce wear and tear
Source: MDA: Waterways Object Name Thesaurus
rond anchor
a hook shaped anchor for mooring to banks
Source: MDA: Waterways Object Name Thesaurus
round bottomed
a vessel with deadrise: can be subdivided into U, Y or V section types according to the shape of the midship section
round head rivet
a rivet with a hemispherical head
Source: MDA: Waterways Object Name Thesaurus
rove / roove
a metal washer over which a nail or rivet is hammered on the inside of a plank
Source: Maritime Curators Group: Manual of Curatorship
rowlock
a general term for contrivances servings as a fulcrum for an oar
rubbing strake
a run of planks thicker than its neighbours to protect the sides of a vessel against a pier, etc.
Source: Maritime Curators Group: Manual of Curatorship
rubbing strip
a fore and aft fender strip fastened to the outboard surface of a strake giving protection when going alongside
rudder
a hinged device at the stern of a vessel by which she is steered
rudder blade
the immersed portion of the rudder
rudder head
the top end of the rudder stock
Source: Maritime Curators Group: Manual of Curatorship
rudder stock
the upper portion of the rudder to the hear of which the tiller or yoke is attached
rudder stops
projections on the rudder or sternpost which stop the rudder turning more than approximately 40 degrees to either side
rudder trunk
housing in the hull for the rudder stock
Source: Maritime Curators Group: Manual of Curatorship
runner
rope from the winch or hoist to work cargo with hooks or strop
Source: MDA: Waterways Object Name Thesaurus
running block
a semi circular wooden block with a hole in its centre used as a guide for the towing rope on narrow boats, using a portable T stud in the cabin roof
Source: MDA: Waterways Object Name Thesaurus
running rigging
the moving or movable ropes, or similar which make and take in sails, raise and lower upper masts, operate gaffs and booms, etc.

hawse eye:

tubular metal fitting in the bows of a vessel through which the anchor cable passes