hostess (of a party, event, etc.)
Refers to a woman who welcomes and attends to guests at a social gathering, ceremony, or formal event.
The hostess of the party greeted us with a smile.
hostess (at a bar, club, etc.)
In Japan, commonly refers to a woman employed to entertain male customers at a hostess bar or club, serving drinks and making conversation.
She works as a hostess at a club in Ginza.
female host (of a TV or radio show)
Used for a woman who presents or co-presents a broadcast program; the male equivalent is usually ホスト.
The hostess of that program is a popular announcer.
She works as a hostess at a club in Ginza.
She serves as the hostess of that show.
When she was a university student, she worked as a hostess.