Ladies' Day

noun

, (often lowercase)

1. a special day set aside, either occasionally or regularly, on which women are encouraged to attend or participate in a certain activity at a reduced fee or at no cost:

   Friday was Ladies' Day at the ball park.

2. a special day on which women are invited or allowed to attend a club meeting or other activity usually restricted to males.

Word History and Origins

Origin of Ladies' Day¹

An Americanism dating back to 1780–90