color line

See more synonyms for color line on Thesaurus.com
noun
  1. Also called color bar. social or political restriction or distinction based on differences of skin pigmentation, as between white and black people.
Idioms
  1. draw the color line, to observe a color line.

Origin of color line

An Americanism dating back to 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for color line

Historical Examples of color line