Por"toise (?), n. [Perhaps fr. OF. porteis portative, portable.] 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 1913.

Log in or register to write something here or to contact authors.