guest 
/ˈgɛst/ noun
plural guests /ˈgɛst/ noun [count] 1 : a person who is invited to visit or stay in someone's home
▪ Our guests should be arriving soon. ▪ a dinner/party guest ▪ an overnight guest 2 : a person who is invited to a place or an event as a special honor
▪ Only invited guests are allowed inside the banquet hall. ▪ He played at the country club as a guest of one of the members. ▪ She will be the guest of honor [=the person who is being specially honored] at the annual banquet. ▪ He was the guest speaker [=a person invited to a gathering to give a speech] at the awards ceremony. ▪ The guest list [=the list of people who are being invited] for the party is getting long. 3 : a customer at a hotel, restaurant, etc.
▪ Our guests receive the finest quality service. ▪ Frequent guests receive a discount. ▪ Paying guests [=guests who have paid to stay in or use something] may use the fitness room. 4 : a usually well-known person who is invited to appear or perform on a program, at an event, etc.
▪ They frequently appeared as guests on TV talk shows. ▪ a celebrity guest — often used before another noun ▪ a guest star ▪ He made several guest appearances/shots on the series.
▪ Our guests should be arriving soon. ▪ a dinner/party guest ▪ an overnight guest
▪ Only invited guests are allowed inside the banquet hall. ▪ He played at the country club as a guest of one of the members. ▪ She will be the guest of honor [=the person who is being specially honored] at the annual banquet. ▪ He was the guest speaker [=a person invited to a gathering to give a speech] at the awards ceremony. ▪ The guest list [=the list of people who are being invited] for the party is getting long.
▪ Our guests receive the finest quality service. ▪ Frequent guests receive a discount. ▪ Paying guests [=guests who have paid to stay in or use something] may use the fitness room.
▪ They frequently appeared as guests on TV talk shows. ▪ a celebrity guest — often used before another noun ▪ a guest star ▪ He made several guest appearances/shots on the series.
be my guest
— used in speech to say that someone is welcome to do or take something ▪ “Could I borrow your pen?” “Sure, be my guest.”
