ROWLOCK Meaning of ROWLOCK in English [ 'rɒlək , 'rʌlək ]■ noun Brit. a fitting on the gunwale of a boat which serves as a fulcrum for an oar and keeps it in place.OriginC18: alt. of oarlock , influenced by row 2 . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004