What does arraign mean?
The definition of arraign
Ar*raign”, v. t.
[imp. & p. p. Arraigned; p. pr. & vb. n.Arraigning.]
Etym: [OE. arainen, arenen, OF. aragnier, aranier, araisnier, F. arraisonner, fr. LL. arrationare to address to call before court; L. ad + ratio reason, reasoning, LL. cause, judgment. See Reason.]

1 (Law)
To call or set as a prisoner at the bar of a court to answer to the matter charged in an indictment or complaint. Blackstone.
2 To call to account, or accuse, before the bar of reason, taste, or any other tribunal. They will not arraign you for want of knowledge. Dryden. It is not arrogance, but timidity, of which the Christian body should now be arraigned by the world. I. Taylor.

Synonyms
— To accuse; impeach; charge; censure; criminate; indict; denounce. See Accuse.

Ar*raign”, n.
Arraignment; as, the clerk of the arraigns. Blackstone. Macaulay.
Ar*raign”, v. t.
Etym: [From OF. aramier, fr. LL. adhramire.] (Old Eng. Law)

To appeal to; to demand; as, to arraign an assize of novel disseizin.