mistress of ceremonies

Noun

 * 1)  A woman who acts as a host at a formal event.
 * 2) A woman who conducts a programme of varied entertainment, for example by introducing performers to the audience.
 * 1) A woman who conducts a programme of varied entertainment, for example by introducing performers to the audience.
 * 1) A woman who conducts a programme of varied entertainment, for example by introducing performers to the audience.