from The Century Dictionary.
- noun Nautical, same as
Sorry, no etymologies found.
I wondered whether I could have swum far with a cracked skull: the _Moondaisy_'s iron drop-keel would have sunk her, of course.
A Poor Man's House Stephen Sydney Reynolds 1900
a drop-keel or lee-boards, so that shallow creeks may be readily entered.
Life and sport in China Second Edition Oliver George Ready