"'...should you not like a tarpaulin jacket with a hood, at least? Mr Wetherby, jump down to my cabin and fetch the Doctor a grego: there is one hanging against the bulkhead.'" --P. O'Brian, The Yellow Admiral, 213
I could've sworn I've seen this word before but it may have been spelled differently--griego perhaps?
Going to his heavy grego, or wrapall, or dreadnaught, which he had previously hung on a chair, he fumbled in the pockets...
- Melville, Moby-Dick, ch. 3
"'...should you not like a tarpaulin jacket with a hood, at least? Mr Wetherby, jump down to my cabin and fetch the Doctor a grego: there is one hanging against the bulkhead.'"
--P. O'Brian, The Yellow Admiral, 213
I could've sworn I've seen this word before but it may have been spelled differently--griego perhaps?