Wiktionary
lady of leisure
n. 1 A lady who is of independent means and so does not need employment; one who is free from duties and responsibilities. 2 (context ironic English) An unemployed female or one who has retired from work. 3 (context euphemistic English) A prostitute.
Usage examples of "lady of leisure".
She continued to devote much attention to her nails, which she had dyed crimson in the manner of a lady of leisure.
It was rather nice to be a lady of leisure, to sleep late, to make love to her husband in the afternoon.
Unfortunately his headquarters is in Hong Kong, so we have no authority to go in and simply start demanding information, But one of his top executives survived the Lady Of Leisure massacre.