Ladies' Day

American  

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.

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Etymology

Origin of Ladies' Day

An Americanism dating back to 1780–90

Example Sentences

Thousands of racegoers are enjoying a day at Aintree racecourse for its annual Ladies Day which is part of the Grand National Festival.

From BBC

Ladies Day is traditionally one of the biggest days in Liverpool's social calendar when women - and men - are invited to dress to impress.

From BBC

Style is in the spotlight as Ladies Day takes place at Aintree Racecourse at the Grand National Festival in Liverpool.

From BBC

The day, once marketed as Ladies' Day, is now branded 'Style Wednesday'.

From BBC

This year, King Charles III and Queen Camilla were among them, and some attendees at Ladies Day Thursday said they had designed their hats specifically to pay tribute to the new monarch.

From Seattle Times