Jim Crow
Jim Crow , noun
1.
A negro; -- said to be so called from a popular negro dance song, the refrain of which is “Wheel about and turn about and jump Jim Crow,” produced in 1835 by Thomas D. Rice (1808-1860), a famous negro minstrel; -- considered disparaging and offensive. [Offensive slang, United States]
2.
A legally sanctioned system of racial discrimination practiced in the southern United States until declared unconstitutional in 1953 and further restricted by federal legislation, by means of which negroes were segregated and discriminated against in employment and in many places of public accommodation, such as parks, commercial establishments, and public transportation.
Jim-crow , adjective
For negroes only; set aside for used of negroes as a policy of racial discrimination.
Jim-crow , noun
1.
(Machinery) A machine for bending or straightening rails.
2.
A planing machine with a reversing tool, to plane both ways.