dun 1
/dun/ , v. , dunned, dunning , n.
v.t.
1. to make repeated and insistent demands upon, esp. for the payment of a debt.
n.
2. a person, esp. a creditor, who duns another.
3. a demand for payment, esp. a written one.
[ 1620-30; orig. obscure ]
dun 2
— dunness , n.
/dun/ , adj.
1. dull, grayish brown.
2. dark; gloomy.
n.
3. a dun color.
4. a dun-colored horse with a black mane and tail.
5. mayfly.
6. Angling. See dun fly .
[ bef. 1000; ME dun ( ne ), OE dunn; c. OS dun ]