Dolly Varden

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A colorfully spotted trout (Salvelinus malma) of northwest North America and eastern Asia.

Century Dictionary and Cyclopedia

1. n. A woman's gown of gay-flowered material, usually a muslin print, made with a pointed bodice and a skirt tucked up or draped over a petticoat of solid color: worn about 1865-70.
2. n. A species of trout or char of California, Salvelinus malma.
3. n. A large hat with a brim overloaded with flowers, worn at one time by women.

Wiktionary

1. n. A woman's outfit, briefly fashionable in Britain and America in the late nineteenth century, with a brightly patterned, usually flowered, dress with a polonaise overskirt gathered up and draped over a separate underskirt.
2. n. Salvelinus malma malma, a fish in the salmon family.

GNU Webster's 1913

1. A character in Dickens's novel “Barnaby Rudge,” a beautiful, lively, and coquettish girl who wore a cherry-colored mantle and cherry-colored ribbons.
2. A style of light, bright-figured dress goods for women; also, a style of dress.