Emily Dickinson Lexicon

DI-PLO'MA-CY, n. [This word, like supremacy, retains the accent of its original.]

1. The customs, rules and privileges of embassadors, envoys and other representatives of princes and states at foreign courts; forms of negotiation.
2. A diplomatic body; the whole body of ministers at a foreign court.
3. The agency or management of ministers at a foreign court. – Cevalles.