Noah Webster
Empannel
EMPAN'NEL, noun [Eng. pane, a square. See Pane and Pannel.]
A list of jurors; a small piece of paper or parchment containing the names of the jurors summoned by the sheriff. It is now written pannel, which see.
EMPAN'NEL, verb transitive To form a list of jurors. It is now written impannel, which see.