sign manual

plural signs manual

Definition of sign manual

1a : signature specifically : the king's signature on a royal grant or charter placed at the top of the document
b : an identifying mark or device
2 : a hand gesture for conveying a command or message

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First Known Use of sign manual

15th century, in the meaning defined at sense 1a

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The first known use of sign manual was in the 15th century

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to settle judicially or to act as judge

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