mitre gate BrE technical
miter gate AmE technical

The mitre gate is so efficient that it is still the most common lock gate seen on the canals of the world including the Rideau Canal.

Another important development was the mitre gate, which was, it is presumed, introduced in Italy by Bertola da Novate in the 16th century.

One of the broken portions is known as a miter gate, Hornback said.

Once we get flow over the top of the miter gate we close navigation."

The main lock has a vertical lift gate and a miter gate while the aux.

The Corps of Engineers, on its Web site, says a miter gate "has two leaves that provide a closure at one end of the lock."

Soo Locks, physical model study, ice passage, winter navigation, Great Lakes, high-flow air curtain, point source bubbler, miter gate, water cannon.

Evidently satisfied, he shouted an order and jerked a hand toward the miter gate, The prisoners' crew was accompanied by six armed soldiers, who fell in before and behind, muskets held in marching order, their smart appearance a marked contrast to the ragged Highlanders.