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

(1) Early stage in a mayfly's life; usually of short duration (1 to 24 hours). (2) A grayish-blue color that found in some fly tying materials. ()

A yellow or gold body and leg color, often with a black or brown mane and tail, and usually with a dorsal stripe and stripes on the legs and withers.

horse colour, yellowish coat with black skin with dark mane and tail, sometimes accompanied by a dorsal stripe

Yellow coat with black mane/tail, legs and a dorsal stripe (see def).

horse of a dull brownish gray color

a color varying around light grayish brown; "she wore a dun raincoat"

make a dun color

of a dull grayish brown to brownish gray color; "the dun and dreary prairie"

a horse of any color with charactoristics such as a dorsal stripe, transversal stripe, and striped legs.

The first adult stage of a mayfly. Duns will molt once more into spinners

(1) first stage in the adult mayfly's life cycle; usually of short duration (1 to 24 hours); this is the stage most often imitated by the dry fly; (2) a darkish gray-blue color that is very desirable in some fly tying materials.

The subimago (subadult) emergent mayfly form during metamorphosis.

a variable color averaging a nearly neutral slightly brownish dark gray.

a horse with a charcoal-brown coat color with black points and a dorsal stripe

A yellowish coat color with a dorsal stripe down back

Dun is a brownish-gray color, sometimes seen in the hair coats of horses, characterized by a body color ranging from sandy yellow to reddish-brown. Dun horses always have a dark stripe down the middle of their back, which may continue into the tail and mane, and may have darker faces and legs. For a full explanation of the genetics of this color see Dun gene.