SEA COCK: A through hull valve, a shut off on a plumbing or drain pipe between the vessel's interior and the sea.
SEA ROOM: A safe distance from the shore or other hazards.
Cock Up:
In port, the yard arms where slewed inboard by the cock up crew and neatly braced so that they would not foul other ship's rigging or dock equipment ...
a-cock bill or cock bill - An anchor hanging from the cat head ready to let go. The situation of yards when one arm is topped up as a sign of mourning.
a-hull - A ship under bare poles, with her helm lashed a-lee. An abandoned ship.
sea cock
Through-hull fitting with a valve between the interior and the exterior of the boat.
seaworthy
Ability to handle rough weather. Also called sea-kindly.
sea cock - A valve used to prevent water from entering at a through hull.
sea kindly - A boat that comfortable in rough weather.
sea level - The average level of the oceans, used when finding water depths or land elevations.
Each sea cock has two handles, an "L" shaped one, and a "T" shaped one. The L handle is the valve itself, open when vertical, closed when horizontal. The T handle is a friction lock for the valve.
BIBB A cock or valve with a bent outlet; strictly, the bent outlet. BIGHT A loop or bend in a rope; strictly, any part between the two ends may be termed the bight. BILGE The rounded portion of a vessel's shell which connects the bottom with side.
Fittings attached through the hull to which a sea cock and hose, a transducer, or other device is attached.
Jammed water intake sea-cock for the head.
#11. Exhaust system fell off engine. This resulted in the use of towing insurance.
#12. Broken fuel line on an outboard engine.
#13. Jammed halyard between the block's sheave and cheeks.
#14.
The cock lobster may be distinguished from the hen by the narrowness of the tail, the upper two fins of which are stiff and hard, while the tail of the hen is broader and the fins soft.
Each through hull will have a shuttle cock (value) to stop the flow of water. An example of a through hull would be the head (bathroom). A through hull value is opened so that water from outside the boat can be pumped into the MSD (toilet).
To avoid cutting away a portion of the forecastle, in the "Cressy," "Terrible" and "Diadem" classes of the British navy, the anchors, secured by chains, are stowed a-cock-bill, outside the ship, ...
Even once tied up at the quay, sailors would not be allowed ashore until the vessel had slewed her yards, swinging them inboard so as not to obstruct passing ships and quayside buildings. No cock up crew was allowed ashore until each had cleared his ...
 See also: Boat, Point, Shore, Sailing, Wind
  
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