(archaic) To charge (someone) with a crime; to impeach.
- 1958, T. H. White, The Once and Future King, New York: Berkley Publishing, Book 4, Chapter 5, p. 557,
“ […] When the riches are equal, we might say that the luckier side wins, as if by tossing a coin. Now, are you two sure, if you did appeach Queen Guenever of treason, that your side would be the luckier one?”