
Definition
Noun
- A curved ridge over an air port or scuttle to shed water.
Origin
Probably earlier than the 18th century.
Comments
Also known as a rigol. Earlier, these used to be wood, and then metal ridges. The object was to deflect water so it wouldn’t go down the scuttle and into the vessel.
References
Kemp, P. (1994). The Oxford Companion to Ships and the Sea. Oxford University Press.
Rogers, J.G. (1985). Origins of Sea Terms. Mystic Seaport.