knight noun
1 in the Middle Ages
ADJ. medieval | chivalrous, noble | armoured | mounted
PHRASES a knight errant tales of medieval knights errant, wandering in search of chivalrous adventures | a knight in armour, a knight in shining armour (figurative, humorous) She's still waiting for a knight in shining armour to come and rescue her.
2 man given an honour by the king/queen > Note at PEER
You can also check other dicts: knight (English, 中文解释 ), wordnet sense, Collins Definition