Wiktionary
ogin
n. (context UK chiefly nautical and navy English) A large body of water including the sea or the ocean.
Usage examples of "ogin".
The presence of Falconers would tell Ogin that we had some very different purpose in mind.
Their enemies would be buried here in a single grave, all but Ogin, whose body they would take with them to Ravenfield to stand as proof of his death.