I. ˈ ̷ ̷ˌ ̷ ̷ transitive verb
1. : to cross off (an item) from a list (as a military payroll) ; also : to cross off or remove the name of from a roll or roster
2.
a. : ground
redline an airplane
b. : to indicate the maximum safe speed of (an airplane)
II. intransitive verb
: to withhold home-loan funds or insurance from neighborhoods considered poor economic risks
transitive verb
: to discriminate against in housing or insurance
• redlining noun
III. ¦ ̷ ̷ ˈ ̷ ̷ noun
: a recommended safety limit : the fastest, farthest, or highest point or degree considered safe ; also : the red line which marks this point on a gauge