Hostess (noun)

1. A woman who receives and entertains guests in her own home.
2. A female host or master of ceremonies.
3. A female attendant on an airplane or a train who is responsible for the comfort of passengers.

Origin:

Late middle english hostesse, from old french ostesse, from latin hospita 'hostess, guest, stranger'.

Examples:

1. The hostess offered her guests a tour of the house.
2. The hostess was the first to arrive at the party.
3. The flight hostess helped the passengers with their bags.
4. She was the hostess of the most popular talk show in the country.
5. The hostess of the restaurant greeted us with a smile.