Emily Dickinson Lexicon

DUE, n.

1. That which is owed; that which one contracts to pay, do, or perform to another; that which law or justice requires to be paid or done. The money that I contract to pay to another is his due; the service which I covenant to perform to another is his due; reverence to the Creator is his due.
2. That which office, rank, station, social relations, or established rules of right or decorum, require to be given, paid, or done. Respect and obedience to parents and magistrates are their due.
3. That which law or custom requires; as, toll, tribute, fees of office, or other legal perquisites. – Addison.
4. Right; just title. The key of this infernal pit by due … / I keep. – Milton.