n.[C]

1. （中古時的）騎士，武士
2. （近代英國的）爵士
3. 貴婦人的侍從，護衛者
4. 【文】（事業、主義等的）忠實擁護者
5. （古羅馬的）騎士
6. （常大寫）以"……騎士"命名的政治等團體的成員[（+of）]
7. （西洋棋中的）馬

vt.

1. 封……為爵士，授……以爵士位
   The king knighted the soldier for his valor.

   國王因那位軍人英勇而封他為爵士。

n.

1. (in the Middle Ages) a man raised to honourable military rank after service as a page and squire.
   ▸ (also knight of the shire) historical a gentleman representing a shire or county in Parliament.
   ▸literary a man devoted to a cause or the service of a woman.
2. (in the UK) a man awarded a non-hereditary title by the sovereign and entitled to use the honorific ‘Sir’ in front of his name.
3. a chess piece, typically shaped like a horse's head, that moves by jumping to the opposite corner of a rectangle two squares by three.
4. (in ancient Rome) a member of the class of equites.
5. (in ancient Greece) a citizen of the second class in Athens, called hippeus in Greek.

v.