Real Dictionary

take a bow
If an actor or entertainer takes a bow, he or she shows appreciation of an audience's applause by bowing to them.

take a bow in British English
to acknowledge an introduction, applause, etc. as by bowing
to acknowledge or receive applause or praise
to step forward or stand up in order to receive recognition, applause, etc.
written before or after a person's name to congratulate that person or show admiration for them