welcome mat noun
plural ∼ mats [count] US : a small rug that is placed by the door of a person's house, apartment, etc., for guests to wipe their feet on before entering
put/roll/throw out the welcome mat
: to welcome someone in a warm and friendly way
▪ The family rolled out the welcome mat for the new exchange student.
▪ The family rolled out the welcome mat for the new exchange student.
