Portoise - definition of Portoise by The Free Dictionary
|n.||1.||(Naut.) The gunwale of a ship.|
|To lower the yards a-portoise|
|to lower them to the gunwale.|
|To ride a portoise|
|to ride an anchor with the lower yards and topmasts struck or lowered, as in a gale of wind.|
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.