The phrase "a ship lock" is correct and usable in written English.
It can be used when referring to a device in a waterway that raises and lowers boats between stretches of water of different levels.
Example: "The canal features a ship lock that allows vessels to navigate between the river and the lake."
Alternatives: "boat lock" or "navigation lock".
It operates on the same intermittent principle as a ship lock but is constructed as a closed conduit.
A barge lock, 72.5 by and a ship lock, 120 by, capable of taking vessels up to 400 tons, connected the extensive docks to the Ouse.
There it entered Bridgwater Docks, which consisted of: Inner basin that covered 4 acre Outer basin covering 0.5 acre The two basins were connected by a lock, whilst towards the river a ship lock consisting of a single 40 feet gate, and a barge lock, consisting of a pair of 14 feet gates.
The hard lessons were about survival in the Arctic; on the location and size of islands; on the behavior of sea ice; on the life of the native Inuit; on the tedium of being confined to a ship locked in ice from September until the end of July; and most of all, avoiding the fatal curse of scurvy.
A new ship lock was constructed at Weston Marsh, which provided a more convenient route to the ship canal than the alternative route through Weston Point docks.
Many key technological problems regarding hydraulic structures have been overcome, such as a gravity dam with multi-layer large discharge orifices, a hydropower station of giant generating units, and a giant continual multi-step ship lock with a high water head.
Field infiltration tests were conducted at a hillside near the ship lock of the Three Gorges Dam in Hubei Province, China.
The in situ tests provide important information for further studying groundwater seepage under rainfall conditions and a dewatering system design for the slope above the ship lock of the Three Gorges Dam in China.
These factors make the engineering geological situation there unfavorable to the ship lock slope stability.
The ship lock slope is threatened under landslides during deep excavation involved in the construction.
The Victoria Star filled the ship lock with maybe 18 inches to spare on either side.
