knight
n. countablen. a person in the past who had a high social rank and fought for a king or queen while wearing heavy metal armor. Today, it is also a title given to someone by a British king or queen for doing great work.
n. a man of high social standing who served as a mounted warrior in the Middle Ages; in modern times, a person who has been awarded a non-hereditary title of honour by a monarch.
The knight rode his horse into the castle.
The queen decided to knight the famous scientist for his life-saving discoveries in medicine.
Historical accounts often romanticise the medieval knight as a figure of chivalry, though their primary function was as a heavily armed elite cavalryman within the feudal system.
From Middle English knyghte, from Old English cniht (“youth; servant”).
When used as a specific title before a name, it is capitalised (e.g., Sir Isaac Newton).