Todays word: fool

fool (PERSON)
noun [C]
1 a person who behaves in a silly way without thinking:
[as form of address] You fool, you've missed your chance!
He's a fool if he thinks she still loves him.
[+ to infinitive] He's a fool to think she still loves him.
He's fool enough to think she still loves him.
My fool of a (= silly) husband has gone out and taken my keys!

2 in the past, a person who was employed in the court of a king or queen to make them laugh by telling jokes and doing amusing things