Noun red line has 1 sense
  1. red line - a line that is colored red and that bisects an ice hockey rink
    --1 is a kind of
    line
,Verb red line has 1 sense
  1. redline - discriminate in selling or renting housing in certain areas of a neighborhood
    --1 is one way to discriminate, separate, single out
    Sample sentence:
    Somebody ----s something
,
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