tan line

noun
plural tan lines

Definition of tan line

: a line that distinguishes a suntan from a paler shade of skin and that shows where an area of skin was covered (as by clothing) when the tanning occurred While the new swimming costume would, in all possibility, leave your body with bizarre tan lines, celebrities seem to be unperturbed by the after-effects.— Reema Gowalla My dad, Larry—Yogi's oldest son—recently found a tan line beneath the '63 ring he got from his dad.— Lindsay Berra

First Known Use of tan line

1944, in the meaning defined above

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