Dun

Webster's Dictionary

(1):

(v. t.) To cure, as codfish, in a particular manner, by laying them, after salting, in a pile in a dark place, covered with salt grass or some like substance.

(2):

(v. t. & i.) To ask or beset, as a debtor, for payment; to urge importunately.

(3):

(n.) A mound or small hill.

(4):

(n.) An urgent request or demand of payment; as, he sent his debtor a dun.

(5):

(a.) Of a dark color; of a color partaking of a brown and black; of a dull brown color; swarthy.

(6):

(n.) One who duns; a dunner.

Cyclopedia of Biblical, Theological and Ecclesiastical Literature

(Lat. Dunnus), eleventh bishop of Rochester, A.D. 741.