dike

Etymology 1

noun

1. (chiefly US) Alternative form of dyke: ditch; embankment; waterway; etc.
   In 1574, the duke of Alva laid siege to Leiden to gain control of Holland's most beautiful and prosperous city. To relieve the siege, William of Orange and his followers opened the city's protective dikes to flush out—literally—the surrounding Spanish forces. 1994, John H. Makin, Norman J. Ornstein, Debt and Taxes: How America Got into Its Budget Mess and What We Can Do about It, New York, NY: Times Books, page 52

verb

1. (chiefly US) Alternative form of dyke: to dig a ditch; to raise an earthwork; etc.
   Lakeside water-filtration plants, an 11,000-acre diked airport east of 55th Street, slash-and-bulldoze highway projects through Jackson and Lincoln parks—these and many another grandiose project leapt from the sketchbooks of city planners. September 27 1996, Michael Miner, “WVON Won't Take the Bait”, in The Chicago Reader
   In 1983, dictator Nicolae Ceausescu decreed that the Romanian Danube delta, one of Europe's largest wetlands, be diked for growing rice and maize. November 16 2001, Karen F. Schmidt, “Ecology: A True-Blue Vision for the Danube”, in Science, volume 294, number 5546, →DOI, pages 1444–1447

Etymology 2

Of uncertain etymology, first attested in mid-19th century Virginia. Possibly a variant of deck and deck out or influenced by them.

verb

1. (US dialect slang, obsolete) To be well dressed.

noun

1. (US dialect slang, obsolete) A well-dressed man.
2. (US dialect slang, obsolete) Formalwear or other fashionable dress.

Etymology 3

See dyke.

noun

1. Alternative form of dyke: (slang, usually derogatory) a masculine woman; a lesbian.