sealock
Etymology
From sea + lock.
sealock means A surname. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
noun
- A lock that is positioned at the mouth of a canal or waterway so that, when the gates are closed, boats can be raised or lowered between the waterway and sea level.“At Corpach it is intended to form a sealock, to be cut out of the rock, and to make a small basin within it, capable of admitting a number of vessels with the flowing tide, which, after the gates are closed, may ascend the locks at leisure, […]”