the genuine thing or person as promised, stated, or implied (usually preceded by the or the real):
Those other paintings are copies, but this one is the McCoy.
(slang) the genuine person or thing (esp in the phrase the real McCoy)
Tony, full name Anthony Peter McCoy. born 1974, Northern Irish national hunt jockey: champion jockey every season since 1995/96
as in the real McCoy, 1881, said to be from Scottish the real Mackay (1883), of uncertain origin, though there are many candidates, including whiskey distilled by A. and M. Mackay of Glasgow (the phrase the real McCoy became popular during Prohibition to describe liquor); Charles S. “Kid” McCoy (1872-1940), former welterweight boxing champ; and a claimant for chief of the northern branch of the clan Mackay.
“By jingo! yes; so it will be. It’s the ‘real McCoy,’ as Jim Hicks says. Nobody but a devil can find us there.” [James S. Bond, “The Rise and Fall of the Union Club,” Yorkville, Canada, 1881]
Genuine; legitimate; kosher: like every other McCoy biz (1930+)
[muh-kuhl-erz] /məˈkʌl ərz/ noun 1. Carson [kahr-suh n] /ˈkɑr sən/ (Show IPA), 1917–1967, U.S. novelist and short-story writer. /məˈkʌləz/ noun 1. Carson. 1917–67, US writer, whose novels include The Heart is a Lonely Hunter (1940)
- Mcculloch-pitts neuron
artificial intelligence The basic building block of artificial neural networks. It receives one or more inputs and produces one or more identical outputs, each of which is a simple non-linear function of the sum of the inputs to the neuron. The non-linear function is typically a threshhold or step function which is usually smoothed (i.e. […]
[muh-kuhl-uh] /məˈkʌl ə/ noun 1. David, born 1933, U.S. author and historian.
1. McDonald’s Corp. 2. minimum cost design