The gooseneck is the
swivel
A swivel is a connection that allows the connected object, such as a gun, chair, swivel caster, or an anchor
An anchor is a device, normally made of metal , used to secure a vessel to the bed of a body of water to prevent the craft ...
connection on a
sailboat
A sailboat or sailing boat is a boat propelled partly or entirely by sails and is smaller than a sailing ship. Distinctions in what constitutes a sailing boat and ship vary by region and maritime culture.
Types
Although sailboat terminolo ...
by which the
boom attaches to the
mast. The boom moves from side to side and up and down by swiveling on the gooseneck.
The gooseneck may be a two axis swivel as pictured. Having an integrated shackle for the
tack
TACK is a group of archaea acronym for Thaumarchaeota (now Nitrososphaerota), Aigarchaeota, Crenarchaeota (now Thermoproteota), and Korarchaeota, the first groups discovered. They are found in different environments ranging from acidophilic th ...
is common. Goosenecks on older rigs may be formed by a loop attached to the end of the boom that fits loosely about the mast.
{{Sail Types
Sailing rigs and rigging