[plural] [noun] [C] - thin silvery lines or marks on the front or sides of the body of a woman who has given birthStretchmarks are caused by the skin being stretched during pregnancy.She's worried about having children because she doesn't want to get stretchmarks or lose her figure.People who used to be very fat can also have stretchmarks.
STRETCHMARKS
Meaning of STRETCHMARKS in English
Cambridge English vocab. Кембриджский английский словарь. 2012