Jim Crow

Etymology
From the minstrel show song , written in 1828 by, the originator of blackface performance.

Proper noun

 * 1)  A Black man.
 * 2)  Southern United States racist and especially segregationist policies in the late 1800s and early to mid 1900s, taken collectively.
 * 3) A fictional character from various  performances who is stereotypically depicted as an unintelligent, violent, and promiscuous Black man.
 * 1) A fictional character from various  performances who is stereotypically depicted as an unintelligent, violent, and promiscuous Black man.
 * 1) A fictional character from various  performances who is stereotypically depicted as an unintelligent, violent, and promiscuous Black man.

Noun

 * 1)  A World War II code name for patrols along the British coastline to intercept enemy aircraft, originally intended to warn of invasion in 1940.
 * 2)  A double-action planing tool invented by, in which the blade ‘jumps’ to face the other way on the back-stroke.
 * 3) * 1852, (editor), , volume 1, section xiv “Machinery Exhibited”, page cxliii:
 * Two other machines exhibited by Whitworth… One was furnished with a reversing tool to plane both ways, and called, from its peculiar motion, a Jim Crow machine.
 * 1) * 1864, February 6, , volume 10, article “Machine Tool-Makers”, page 188:
 * He has considerably improved upon the planing machine, in his “Jim Crow” machine, so called because the cutter reverses itself and works both ways, and in fact adapts itself to any position to do its work.
 * 1) * 1872, August 2, The Building News and Engineering Journal, article “Railway Works at Longhedge”, volume 23, page 77:
 * The “Jim Crow” machine, which is Whitworth's patent, was new to some of the visitors. … But with a “Jim Crow” a cut is obtained both ways.
 * 1)  A tool for bending railway rails, by holding the rail with two arms and pushing a screw into the other side.
 * 1)  A tool for bending railway rails, by holding the rail with two arms and pushing a screw into the other side.

Adjective

 * 1) Discriminatory against African Americans.
 * 2) Segregated between African Americans and Caucasians.

Verb

 * 1) To work towards legislation that incorporates a discriminatory caste system or racial segregation.