"knight" in the noun sense
1. knight
originally a person of noble birth trained to arms and chivalry today in Great Britain a person honored by the sovereign for personal merit
2. knight, horse
a chessman shaped to resemble the head of a horse can move two squares horizontally and one vertically (or vice versa)
"knight" in the verb sense
1. knight, dub
raise (someone) to knighthood
"The Beatles were knighted"
Source: WordNet® (An amazing lexical database of English)
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