The phrase "a code of honour" is correct and usable in written English.
It can be used to refer to a set of principles or ethical guidelines that govern the behavior of a group or individual.
Example: "The knights were bound by a strict code of honour that dictated their actions in battle and in life."
Alternatives: "a code of ethics" or "a moral code".
We have a code of honour, us, in Islam.
A code of honour is broadly adhered to: no criminal damage, no sueing anyone if anything bad happens to you.
The reason there is more violence in boys' schools is because boys have a code of honour and don't tell when there is trouble brewing.
He wrote in an email that he had lived his life by a code of honour and acknowledged he had crossed a line.
Impelled by a code of honour among men, Romeo kills Tybalt and is banished to Mantua by the Prince of Verona, who has been insistent that the family feuding cease.
White had fallen foul of a code of honour that counted for more than the rule of law, and Thaw felt himself entitled to take matters into his own hands.
He'd emerged into a troubled America with a warped code of honour, a ruthless drive and a new sense of self that over the next year would make him a legendary figure, part Robin Hood, for the way he stuck to robbing the bankers who'd been robbing the people, part Houdini, for his astonishing ability to escape from jails and police ambushes.
If, however, the home of your swain is one governed by a traditional matriarch and an inflexible code of honour, opt for a simple jersey shift dress – this one from Mango can be layered over T-shirts or long sleeves depending on the time of day, and would work with Clarks' casual desert boots or ballet slippers for a more girlish take.
He's just a great, funny New Jersey guy with a medieval code of honour, who is very loyal.
If the England coach senses a desire for light-touch regulation in the boardrooms of his feeder clubs, can he ask his own changing room to be less devoted to a perceived code of honour?
Beowulf defined a heroic code of honour; the great hero fought Grendel and Grendel's mother, and that final dragon.
