portlast /pōrtˈ or pörtˈləst/ (obsolete nautical)

Probably the gunwale (also portoise /-tiz/ and wrongly portˈland)

yards down a portlast

With yards down on or near the deck

• orologies
• orologist
• orologists
• orology
• oropesa
• oropesas
• oropharynx
• oropharynxes
• ororotund
• ororotundities
• ororotundity
• or otherwise
• orotund
• orotundities
• orotundity
• orphan
• orphanage
• orphanages
• orphan-asylum
• orphan-asylums
• orphan disease
• orphaned
• orphanhood
• orphanhoods
• orphaning